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C
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D
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DN
DNA
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DO
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DOCS
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DOT
DOTE
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DP
DPA
DPAC
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DPW
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DQ
DQDB
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DR
DRAM
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DS
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DSCS
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DSM
DSN
DSO
DSP
DSR
DSRI
DSS
DSSI
DST
DSTN
DSU
DSX
DSc
DT
DT's
DTAS
DTB
DTC
DTE
DTF
DTG
DTI
DTIF
DTL
DTMF
DTP
DTR
DTSS
DTU
DU
DUA
DUATS
DUI
DUT
DUV
DV
DVC
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DVMA
DVMRP
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DW
DWAPS
DWB
DWI
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DX
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Dec
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Dem
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E
E911
EAA
EADAS
EADASNM
EADASS
EAEO
EAFB
EARN
EAS
EASD
EASI
EBCDIC
EBI
EC
ECAD
ECAFE
ECAP
ECASS
ECC
ECCM
ECCS
ECD
ECDO
ECF
ECG
ECL
ECLSS
ECM
ECMA
ECN
ECO
ECOM
ECPA
ECPT
ECR
ECS
ECSA
ECSC
ECT
ECV
EDA
EDAC
EDC
EDD
EDF
EDGAR
EDI
EDIF
EDO
EDP
EDS
EDSX
EDT
EDTA
EDTCC
EE
EEC
EECT
EEDP
EEG
EEHO
EEI
EEL
EEM
EEO
EEPROM
EFD
EFI
EFIS
EFRAP
EFS
EG
EGA
EGP
EGREP
EGRET
EHF
EHP
EI
EIA
EIN
EINE
EIS
EISA
EISB
EISS
EITS
EJASA
EKG
EKTS
EL
ELC
ELF
ELLE
ELM
ELO
ELP
ELT
ELV
EM
EMA
EMACS
EMAIL
EMC
EMF
EMI
EML
EMP
EMPRESS
EMR
EMS
EMT
EMU
ENE
ENEA
ENET
ENFIA
ENIAC
ENS
ENT
EO
EOD
EOE
EOF
EOM
EOS
EOT
EOTT
EP
EPA
EPD
EPL
EPNS
EPOS
EPPS
EPRI
EPROM
EPS
EPSCS
EPSF
EPSI
EPT
EPTS
EPUB
EPW
EQ
EQUEL
ER
ERA
ERAR
ERD
ERE
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ERICA
ERISA
ERL
ERP
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ERT
ERU
ES
ESA
ESAC
ESB
ESD
ESDI
ESE
ESF
ESH
ESI
ESIS
ESL
ESM
ESMD
ESN
ESO
ESOP
ESP
ESPEC
ESPS
ESR
ESS
ESSEX
ESSX
EST
ESU
ET
ETA
ETACC
ETAS
ETC
ETD
ETF
ETFD
ETH
ETLA
ETN
ETO
ETR
ETS
ETSACI
ETSI
ETSSP
ETV
EUC
EUNET
EUUG
EUV
EUVE
EV
EVA
EVX
EW
EWO
EWOS
EWS
EXPO
Eccles
Ecclus
Ecua
Eg
Egypt
Eliz
Emp
Eng
Ens
Ep
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Epiph
Epis
Epist
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Esq
Esth
Eth
Eur
Ex
Exc
Exod
Ez
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F
FA
FAA
FAB
FACD
FACOM
FACS
FAE
FAG
FAI
FAM
FAO
FAQ
FAQL
FAR
FARNET
FAS
FASST
FAST
FAT
FAX
FB
FBA
FBI
FBO
FBV
FC
FCA
FCAP
FCC
FCCSET
FCFS
FCG
FCO
FCRC
FCS
FCT
FD
FDA
FDDI
FDDIII
FDHD
FDIC
FDM
FDP
FDR
FDX
FE
FEA
FEC
FED
FEDSIM
FEHQ
FEM
FEMA
FEMF
FEP
FEPC
FEPS
FERS
FET
FEV
FF
FFA
FFRDC
FFS
FFT
FGA
FGB
FGC
FGD
FGREP
FGS
FHA
FHLMC
FHMA
FHST
FI
FIB
FICA
FIDE
FIDO
FIFO
FILO
FIMS
FIN
FINE
FIO
FIOC
FIP
FIPS
FIR
FIRMR
FIT
FITS
FL
FLACC
FLOP
FLOPS
FLRA
FLS
FLT
FM
FMAC
FMB
FMC
FMCS
FMEA
FMR
FMS
FNC
FNPA
FO
FOAC
FOB
FOC
FOIA
FOIMS
FOIRL
FON
FOOBAR
FOR
FORCS
FORD
FORTRAN
FOS
FOSE
FOT
FOV
FP
FPA
FPC
FPDU
FPE
FPHA
FPLA
FPM
FPO
FPP
FPS
FPU
FQDN
FR
FRACTAL
FRAM
FRB
FRCM
FRCO
FRCP
FRCS
FRD
FRED
FREE
FRG
FRGS
FRICC
FROG
FRPG
FRR
FRS
FRU
FS
FSA
FSCM
FSDO
FSE
FSF
FSH
FSK
FSLIC
FSS
FSU
FSW
FT
FT1
FTAM
FTC
FTE
FTG
FTL
FTP
FTPI
FTS
FTW
FTZ
FUBAR
FUD
FUS
FUSE
FV
FW
FWD
FWHM
FWIW
FX
FY
FYA
FYI
FYS
FZS
Fah
Feb
Fed
Fid Def
Fin
Fl
Fla
Flem
FoC
Fr
Fri
Fris
Frl
Frs
G
GA
GAAP
GAAS
GAB
GADO
GAIA
GAN
GAO
GAR
GAS
GATED
GATT
GAW
GB
GBE
GBH
GBIP
GBS
GBT
GC
GCA
GCB
GCC
GCD
GCF
GCL
GCM
GCMG
GCR
GCS
GCT
GCVO
GCVS
GDB
GDP
GDR
GDS
GE
GECOS
GECR
GEIS
GEISCO
GEM
GEMS
GEO
GFCI
GG
GGP
GHQ
GHRS
GHZ
GI
GID
GIF
GIGO
GIN
GISS
GKS
GKSM
GLC
GLOMR
GM
GMB
GMBH
GMC
GMRT
GMT
GMW
GND
GNMA
GNP
GNU
GO
GOC
GOES
GOK
GOP
GOS
GOSIP
GOX
GP
GPC
GPCI
GPD
GPI
GPIB
GPL
GPM
GPO
GPS
GPSI
GPSS
GPU
GQ
GRASS
GRB
GRD
GREP
GRI
GRIPS
GRO
GROPE
GRPMOD
GRS
GS
GSA
GSAT
GSBCA
GSC
GSFC
GSTS
GT
GTC
GTE
GTO
GTSI
GTT
GUI
GUIDE
GUS
GW
GWEN
GWS
Ga
Gal
Gb
Gdns
Gen
Genl
Ger
Gi
Glos
Gmc
Goth
Gov
Govt
Gr
Guat
Guin
H
HA
HAC
HACD
HAL
HAM
HAO
HAP
HARM
HASP
HAT
HB
HBA
HBM
HBO
HC
HCF
HCFA
HCL
HCR
HCSDS
HCTDS
HD
HDA
HDBV
HDL
HDLC
HDTV
HDX
HE
HEAO
HEAP
HEDM
HEHO
HEM
HEMP
HEMS
HEMT
HEO
HEP
HERA
HERO
HEW
HF
HFE
HFS
HG
HGA
HH
HI
HIC
HIFO
HIH
HIIPS
HIPPI
HIRES
HIS
HIV
HJ
HJS
HL
HLC
HLHSR
HLL
HLV
HM
HMAS
HMC
HMI
HMOS
HMP
HMS
HMSO
HMT
HNC
HND
HNPA
HNS
HOBIC
HOBIS
HOL
HOTOL
HOW
HP
HPD
HPIB
HPLT
HPN
HPO
HPPA
HQ
HR
HRE
HRH
HRI
HS
HSB
HSC
HSFS
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HST
HT
HTK
HU
HUAC
HUD
HUGE
HUT
HUTG
HV
HVAC
HW
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Hab
Hag
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Heb
Hind
Hon
Hon Sec
Hond
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Hung
I Mech E
I Min E
I/O
IA
IAA
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IM
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INGRES
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IO
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IP
IPA
IPC
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IPL
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IST
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IT
ITA
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ITO
ITS
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ITU
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IU
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IV
IVB
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IWW
IX
IXC
IXM
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Ice
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Id
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Ill
Imp
Inc
Ind
Inf
Inst
Ir
Iran
Ire
Is
Isl
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It
Ital
J
JA
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JC
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JD
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JO
JOAT
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Ja
Jam
Jan
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Jnr
Jon
Josh
Jr
Jud
Jul
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Jur D
K
K St J
K9
KAO
KAOS
KB
KBE
KBPS
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KC
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KD
KDCI
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KE
KERMIT
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KG
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KI
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KKK
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KO
KOWC
KP
KPNO
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KR
KS
KSC
KSF
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KT
KTB
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KTU
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KY
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Kans
Ken
Knt
Kt
Ky
L
L/Cpl
L1
L2
L3
L4
L5
LA
LAB
LAC
LACW
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LADT
LAIS
LAL
LAM
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LANCE
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LAR
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LASS
LAT
LATA
LATIS
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LAX
LB
LBHS
LBL
LBO
LBS
LC
LCA
LCAMOS
LCC
LCCIS
LCCL
LCCLN
LCD
LCDN
LCDR
LCIE
LCJ 
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LCLOC
LCM
LCN
LCP
LCR
LCS
LCSE
LCSEN
LCT
LD
LDC
LDEF
LDF
LDL
LDMTS
LDP
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LDX
LE
LEAP
LEAS
LEC
LED
LEGO
LEM
LEM 
LENCL
LEO
LERC
LEST
LF
LFACS
LFS
LFSA
LG
LGA
LGB
LGBO
LGM
LH
LHD
LHS
LI
LIDAR
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LIFO
LIM
LIMM
LINC
LIPS
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LISP
LIST
LIU
LJ
LJBF
LL
LLAMA
LLB
LLC
LLD
LLM
LLN
LLNL
LLO
LLOX
LLP
LM
LMC
LME
LMF
LMMS
LMOS
LN2
LNG
LO
LOA
LOB
LOC
LOCAP
LOE
LOF
LOFT
LOI
LON
LOOPS
LOP
LORAN
LOS
LOSF
LOTS
LOX
LP
LPC
LPCDF
LPDA
LPF
LPG
LPL
LPN
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LPR
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LRSP
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LRU
LS
LSAP
LSB
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LSV
LT
LTA
LTAB
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LTD
LTF
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LTJG
LTL
LTP
LTPD
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LTV
LTVR
LU
LUG
LUN
LUT
LV
LW
LWM
LWP
LWSP
LWT
LXE
LZ
La
Lab
Lam
Lancs
Lat
Ld
Ldg
Leics
Lev
Levit
Lib
Lieut
Lincs 
Lith
LittB
LittD
Lt
Lt Col
Lt Comdr
Lt Gen
Lt Gov
Ltd
Luth
Lux
M
M Com
M Econ
MA
MAAP
MAC
MACBS
MACSYMA
MAD
MADD
MADN
MAF
MAG
MAN
MAP
MAPSS
MAPTOP
MAR
MARBI
MARC
MARS
MAS
MASB
MASC
MASER
MASH
MASM
MAST
MATCALS
MATFAP
MAU
MAXI
MAgr
MArch
MB
MBA
MBE
MBO
MBPS
MBWA
MC
MCA
MCAD
MCAE
MCC
MCCS
MCH
MCHB
MCI
MCIAS
MCN
MCNC
MCP
MCPAS
MCPO
MCR
MCS
MCSV
MCTRAP
MCU
MCh
MD
MDACS
MDAS
MDC
MDDS
MDE
MDEC
MDF
MDI
MDQS
MDRE
MDS
MDT
MDU
MDX
ME
MEA
MEC
MECO
MED
MELD
MERP
MERS
MET
MEd
MF
MFA
MFB
MFENET
MFG
MFH
MFJ
MFLOPS
MFM
MFR
MFS
MFT
MG
MGB
MGH
MGM
MGT
MHA
MHD
MHG
MHL
MHR
MHS
MHz
MI
MIA
MIB
MICE
MICR
MIDI
MIF
MIFASS
MIL
MILNET
MILSTD
MIM
MIMD
MIME
MIMinE
MIMunE
MIN
MINCE
MINX
MIP
MIPS
MIR
MIRS
MIRV
MIS
MISCF
MIT
MITI
MITS
MJ
MKTG
ML
MLA
MLC
MLCD
MLD
MLEM
MLG
MLL
MLO
MLR
MLS
MLT
MLV
MLitt
MM
MMC
MMDF
MMES
MMFS
MMGT
MMH
MMJ
MMM
MMOC
MMP
MMS
MMT
MMU
MMW
MMX
MMus
MN
MNA
MNOS
MNP
MNRAS
MO
MOA
MOC
MOCA
MOD
MODEM
MOFW
MOG
MOH
MOL
MOLA
MOMV
MOP
MOR
MOS
MOSFET
MOT
MOTAS
MOTIS
MOTOS
MOTSS
MOTV
MOU
MOUSE
MOV
MP
MPC
MPCC
MPCH
MPDU
MPE
MPG
MPH
MPIF
MPO
MPOW
MPP
MPPD
MPR
MPS
MPT
MPU
MPV
MPW
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MSH
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MSO
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MSPE
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MSc
MT
MTA
MTBF
MTBRP
MTC
MTD
MTF
MTI
MTM
MTP
MTR
MTS
MTSO
MTTF
MTTFF
MTTR
MTU
MTV
MTX
MTech
MU
MUA
MUF
MULDEM
MULTICS
MUMPS
MUNG
MUX
MV
MVA
MVD
MVO
MVP
MVS
MVSSP
MVSXA
MVSc
MVY
MW
MWM
MX
MXU
MY
Mac
Macc
Maced
Madag
Maj
Maj Gen
Mal
Man
Mar
March
Marq
Mass
Matt
Md
Me
MeV
Medit
Messrs 
Meth
Mex
Mgr
Mic
Mich
Mid
Min
Minn
Miss
Mk
Mo
Moham
Mon
Mont
Mor
Mr 
Mrs 
Ms 
Msgr
Mt
Mt Rev
MusB
MusD
MusM
Mx
N
N Dak
N Mex
NA
NAACP
NAAS
NAB
NAC
NACA
NACS
NAD
NADGE
NAG
NAGE
NAK
NAM
NAMM
NAND
NANP
NAPAP
NAPLPS
NAR
NARDAC
NAS
NASA
NASAGSFC
NASCAR
NASDA
NASDAQ
NASM
NASP
NATO
NAU
NAVDAC
NAVSWC
NB
NBA
NBC
NBFM
NBG
NBO
NBP
NBS
NBVM
NC
NCA
NCAR
NCB
NCC
NCCF
NCCL
NCD
NCDC
NCE
NCGA
NCIC
NCMOS
NCO
NCP
NCR
NCS
NCSA
NCSC
NCSL
NCTE
NCTL
NCV
ND
NDA
NDB
NDCC
NDDL
NDE
NDEA
NDI
NDIS
NDL
NDP
NDSL
NDT
NDV
NDak
NE
NEAR
NEARNET
NEB
NEBS
NEC
NEDC
NEFS
NEI
NEMA
NEMP
NEP
NERC
NES
NESAC
NESC
NET
NETBIOS
NETBLT
NETCDF
NEWS
NEWT
NEXRAD
NEXT
NF
NFC
NFFE
NFL
NFPA
NFR
NFS
NFT
NFU
NFWI
NG
NGA
NGC
NGO
NH
NHI
NHL
NHLBI
NHR
NHS
NI
NIC
NICE
NICMOS
NIFTP
NIH
NIM
NIMBY
NIMH
NIMS
NIR
NIRC
NIS
NISC
NISDN
NISO
NIST
NIU
NJ
NKGB
NKS
NL
NLC
NLDP
NLF
NLLST
NLM
NLP
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NM
NMC
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NMR
NMS
NNE
NNTP
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NNX
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NOCS
NOP
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NORDO
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NOS
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NOTIS
NP
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NPI
NPL
NPN
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NPV
NQ
NQS
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NRAO
NRC
NRDC
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NREN
NRL
NRM
NRO
NROFF
NRZ
NRZI
NS
NSA
NSAP
NSB
NSC
NSCS
NSDSSO
NSE
NSEC
NSEL
NSEM
NSF
NSFNET
NSO
NSP
NSPCC
NSPMP
NSSDC
NST
NSTS
NSU
NSUG
NSW
NSWC
NT
NTEC
NTEU
NTF
NTIA
NTIS
NTN
NTO
NTP
NTR
NTS
NTSB
NTSC
NTT
NU
NUA
NUAAW
NUGMW
NUI
NUJ
NUM
NUR
NURBS
NUS
NUSC
NUT
NV
NVH
NVLAP
NVRAM
NW
NWA
NWS
NWT
NXX
NY
NYC
NYNEX
NYSE
NYSERNET
NZ
NZBC
Nah
Nebr
Neh
Neth
Nev
New Test
No
Nor
Norm
Norw
Nos
Notts 
Nov
Nth
Num
O
O & M
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O2
OA
OACIS
OAK
OAO
OAP
OAS
OASYS
OAT
OATS
OAU
OB
OBD
OBE
OBO
OBS
OC
OCATE
OCC
OCDM
OCE
OCI
OCLC
OCLI
OCO
OCR
OCS
OCST
OCU
OD
ODA
ODAC
ODD
ODDD
ODI
ODIF
ODISS
ODM
ODS
OE
OECD
OED
OEEC
OEM
OEO
OES
OEXP
OF
OFM
OFNPS
OFS
OG
OGI
OGICSE
OGT
OH
OHG
OHMS
OHP
OIRA
OIU
OIW
OJT
OK
OK 
OLG
OLIT
OLTM
OLTP
OLWM
OM
OMB
OMD
OME
OMM
OMPF
OMS
OMV
ON
ONA
ONAC
ONAL
ONC
OND
ONI
ONR
OO
OOB
OODB
OOP
OOPART
OOPL
OOPS
OOPSTAD
OOSH
OOT
OP
OPC
OPDU
OPEC
OPEOS
OPF
OPM
OPS
OPSM
OPX
OR
ORB
ORDLIX
ORFEUS
ORM
ORNAME
ORNL
OROM
ORT
OS
OS2
OSA
OSAC
OSB
OSC
OSCAR
OSCRL
OSD
OSDIT
OSDS
OSF
OSHA
OSI
OSINET
OSIRM
OSME
OSN
OSO
OSP
OSPF
OSPS
OSS
OSSA
OSSE
OST
OSTP
OT
OTA
OTB
OTBS
OTC
OTDR
OTEC
OTF
OTHB
OTL
OTLF
OTM
OTOH
OTR
OTS
OTV
OU
OUTWATS
OV
OW
OWHN
Obad
Oc
Oct
Okla
Old Test
Om
Ont
Oreg
Orth
Oxon
Oxon 
P
P & L
P & O
P2
P3
P4
PA
PABX
PACE
PACT
PACX
PAD
PAK
PAL
PAM
PAMD
PAN
PANS
PAO
PAP
PAR
PARC
PAS
PAT
PAX
PAYE
PB
PBC
PBD
PBM
PBS
PBT
PBX
PC
PCA
PCAT
PCB
PCC
PCDA
PCDOS
PCF
PCH
PCI
PCIE
PCL
PCM
PCN
PCNFS
PCO
PCPC
PCS
PCSA
PCTE
PCTS
PCTV
PD
PDAD
PDE
PDES
PDF
PDI
PDL
PDN
PDP
PDQ
PDS
PDSA
PDSP
PDT
PDU
PE
PECC
PEI
PEM
PEN 
PEP
PEPE
PERFECT
PERL
PERT
PETA
PEX
PEXSI
PF
PFB
PFPU
PG
PGA
PH
PHA
PHC
PHIGS
PHOTOCD
PHS
PHYSREV
PI
PIA
PIC
PICS
PID
PIF
PIMS
PIN
PINE
PING
PIP
PIT
PITI
PIXEL
PL
PL1
PLA
PLAN
PLC
PLCC
PLD
PLL
PLM
PLO
PLP
PLR
PLS
PLSS
PLT
PM
PMA
PMAC
PMC
PMDF
PMEG
PMG
PMIRR
PMO
PMOS
PMRC
PMT
PMU
PMX
PN
PNB
PNP
PNPN
PNdB
PO
POB
POC
POD
POE
POF
POGO
POH
POK
POM
POP
POPS
POR
POS
POSI
POSIX
POSYBL
POTS
POTV
POV
POW
POWER
PP
PPA
PPB
PPBS
PPC
PPCS
PPD
PPE
PPI
PPM
PPN
PPP
PPS
PPT
PQ
PR
PRB
PRC
PRCA
PREMIS
PREPNET
PRG
PRI
PRISM
PRMD
PRO
PROFS
PROLOG
PROM
PROMATS
PROPAL
PROTEL
PRS
PRTC
PS
PSA
PSAP
PSC
PSDC
PSDN
PSDS
PSE
PSF
PSG
PSI
PSIU
PSK
PSL
PSM
PSN
PSO
PSP
PSR
PSS
PST
PSTN
PSU
PSV
PSW
PSWM
PT
PTA
PTAT
PTD
PTE
PTFE
PTI
PTN
PTO
PTP
PTSD
PTT
PTV
PTW
PU
PUC
PUD
PUP
PV
PVA
PVC
PVN
PVO
PVT
PW
PWB
PWD
PWG
PX
Pa
Pac
Pal
Pan
Par
Parl
Pat Off
Pen
Penn
Penna
Pers
Pet
Pg
PhD
Phil
Philem
Pl
Pol
Port
Pr
Pres
Presb
Prof
Prog
Prot
Prov
Prus
Ps
Pt
Pte
Pvt
Q
QA
QAM
QARANC
QAS
QB
QBP
QC
QD
QDA
QDCS
QE
QED
QEF
QEI
QET
QF
QIC
QID
QIS
QLI
QM
QMC
QMF
QMG
QMP
QMS
QNS
QQV
QRA
QRSS
QS
QSO
QSS
QTC
QTY
QUANGO
QUANTAS
QUEL
QV
QWERTY
QWL
Qld
Qq
Que
R
RA
RAAF
RAC
RACE
RACEP
RAD
RADAR
RADM
RAEC
RAF
RAFVR
RAID
RAM
RAMC
RAMP
RAN
RAND
RAO
RAOC
RAR
RARDE
RARE
RARP
RAS
RASC
RATFOR
RAVC
RB
RBC
RBE
RBHC
RBI
RBOC
RBOR
RBT
RBTL
RC
RCA
RCAF
RCAS
RCC
RCF
RCI
RCL
RCLDN
RCM
RCMAC
RCMP
RCN
RCO
RCP
RCS
RCSC
RCT
RCU
RCVR
RCVS
RD
RDA
RDBMS
RDC
RDES
RDF
RDL
RDM
RDP
RDS
RDT
RE
REA
REC
RECON
REGIS
REM
REMOBS
REN
REO
REQSPEC
RETMA
REX
REXX
RF
RFC
RFD
RFE
RFI
RFP
RFQ
RFS
RFT
RGB
RGBI
RGP
RGS
RGU
RH
RHA
RHC
RHG
RHS
RHV
RI
RIACS
RIAS
RIBA
RIC
RICS
RID
RIF
RIFF
RILM
RIP
RIPE
RIPS
RISC
RISLU
RIT
RITA
RJE
RL
RLC
RLCM
RLDS
RLG
RLIN
RLL
RLOGIN
RLT
RM
RMA
RMAS
RMATS
RMF
RMI
RMR
RMS
RN
RNA
RNAS
RNGC
RNLI
RNOC
RNR
RNVR
RNWMP
RNZAF
RNZN
RO
ROA
ROB
ROC
ROE
ROFF
ROG
ROH
ROI
ROM
RONA
RONABIT
ROSAT
ROSE
ROTC
ROTL
ROTS
ROUS
ROW
ROYGBIV
RP
RPC
RPG
RPI
RPM
RPN
RPO
RPS
RPV
RQ
RQS
RQSM
RR
RRIP
RRO
RS
RS232
RSA
RSB
RSC
RSCS
RSE
RSFSR
RSGB
RSH
RSJ
RSL
RSLE
RSLM
RSM
RSN
RSPB
RSPCA
RSS
RSTS
RSTSE
RSU
RSV
RSVP
RSWC
RT
RTA
RTAC
RTC
RTF
RTFM
RTG
RTL
RTLS
RTM
RTMP
RTR
RTS
RTSE
RTSL
RTT
RTTY
RTU
RU
RUC
RUM
RV
RW
RWC
RWE
RWM
RX
Rd
Re
Rect
Ref Ch
Reg
Reg prof
Regt
Rep
Repub
Rev
Rev Ver
Revd
Rgt
Rom
Rom Cath
Rs
Rt Hon
Rt Rev
Rum
Rus
Russ
Rwy
S
S Dak
S of Sol
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