This article is from the Puzzles FAQ, by Chris Cole firstname.lastname@example.org and Matthew Daly email@example.com with numerous contributions by others.
List a plural ending with each letter of the alphabet.
0 = plural formed (basically) by adding letter
1 = plural spelled differently from singular
2 = ditto, plural contains punctuation
3 = plural spelled the same as singular
All entries are from Merriam-Webster's Ninth Collegiate Dictionary,
except those marked "(NI3)", which are from the Third International.
Entries in brackets are probable dictionary artifacts.
A 0 VAS VASA B 1 SLUBBI SLEYB (NI3) C 0 CALPULLI CALPULLEC (NI3) D 2 GRANT-IN-AID GRANTS-IN-AID E 0 ALA ALAE F 1 SHARIF ASHRAF (NI3) G 0 AIRE AIRIG (NI3) H 0 LIRA LIROTH I 0 BAN BANI J 1 KHARIJITE KHAWARIJ (NI3) K 0 PULI PULIK L 1 ARMFUL ARMSFUL M 0 GOY GOYIM N 0 KRONE KRONEN O 2 DERRING-DO DERRINGS-DO (NI3) [1 MEO MIAO/MIXTECA MIXTECO/PAPIOPIO PAPIO/SUMU SUMO (NI3)] P 2 AIDE-DE-CAMP AIDES-DE-CAMP Q 3 QARAQALPAQ QARAQALPAQ (NI3) R 0 KRONE KRONER S 0 A AS T 0 MATZO MATZOT U 0 HALER HALERU V 3 TIV TIV (NI3) W 2 SON-IN-LAW SONS-IN-LAW [1 KWAPA QUAPAW (NI3)] X 0 EAU EAUX Y 0 GROSZ GROSZY Z 3 HERTZ HERTZ