A 'gat'.
two letter word: in. un. three letter word: gnu. yin. yuk. kin. gin. gun. guy. four letter word: king. inky.
MACHINE GUN KELLY was one of the most famous GANGSTERS.
The letters in "gnu" (wildebeest) can spell the word "gun."
rifle
Sten (British submachine gun).
The word "gun" has 3 phonemes: /g/ /ʌ/ /n/.
salvo
there isn't one.
Words beginning with T and used in WW2 include:TanksTortureNot sure if Tommy Gun was used by troops in WW2, or by gangsters pre-1940s.
Get gnu gun, guy!
Roscoe