OMITTED PREFIXES

1959-60:  ARS,ART,ASA,ASB,AVA and 8 others ARU-AWS.

1961-63:  22 Prefixes

CAB, CAD, CAM, CAN, CAP, CAR, CAT, CAW, CUB, CUD, CUE, CUL, CUM,

CUN, CUP, CUR, CUT, DAB, DAD, DAM, DAN, DAY

1964-65:  39 Prefixes

EAK, EAR, EAT, EEK, EEL, EEW, EGG, EKE, ELB, ELF, ELK, ELL, ELM,

ELY, EMU, END, ERA, ERB, ERE, ERG, ERR, ETC, EVA, EVE, EWE, EYE,

FAD, FAG, FAN, FAR, FAT, FAY, FED, FEE, FEW, FEY, FEZ, FKU, FLA.

1966-68:  31 Prefixes

HAD, HAG, HAH, HAL, HAM, HAS, HAT, HAW, HAY, HEH, HEL, HEM, HEN,

HEP, HER, HEW, HEX, HEY, HYE, JAB, JAG, JAM, JAP, JAR, JAW, JAY,

JAZ, JEB, JED, JET, JEW.

1969-72:  54 Prefixes

KAD, KAN, KAT, KAY, KED, KEG, KEN, KEY, KKK, KYK, LAB, LAD, LAF,

LAG, LAM, LAP, LAW, LAX, LAY, LBJ, LDS, LEA, LED, LEE, LEG, LEM,

LEN, LES, LET, LEW, LSD, LYN, MAC, MAD, MAE, MAN, MAP, MAR, MAT,

MAY, MEA, MEE, MEN, MET, MEW, MEX, MJR, MLM, MYY, YAM, YAP, YAW.

1973-80:  49 Prefixes (2 not known)

PAD, PAL, PAN, PAP, PAR, PAT, PAW, PAY, PEA, PEE, PEG, PEK, PEN,

PEP, PET, PEW, RAG, RAH, RAM, RAN, RAP, RAT, RAW, RAY, REA, RED,

REX, REY, RYE, SAC, SAD, SAG, SAK, SAL, SAM, SAN, SAP, SAT, SAW,

SAX, SAY, SEA, SEE, SET, SEW, SEX, SHY.