OMITTED PREFIXES 1965-74
FCK, KKK (1968-74)
JFK, LBJ (1965-73)
LSD, SDS (1970, 1973-74)
MSC (1973, assigned to Harris Co. 1974)
OMITTED PREFIXES 1975-82
APE, ARS, ASS, BRA, BUT, CUM, DAM, FAG, FCK, FKU, FUC, FUG,
FUK, FUQ, FUX, GAY, GQD, GUT, HUN, JAP, JEW, KKK, LAY, LEZ,
LSD, MEX, PAP, PAR, PEE, PUD, PUS, RAG, RUT, SEX, SHT, SUC,
SUK, SUX, TEX, URN, USA, USR, VUC, VUK, VUX, XXX
OMITTED SUFFIXES 1987-90
SPY-ZZZ: SUC, SUK, SUX, TEX, USA, (USE?), VUC, VUK, VUX, XXX
Others: PAR
OMITTED PREFIXES 1990-92
BBB-FRK: FCK
