A History of Short Words

From the New York Times Crossword Puzzle

CBER

Sat, 6 Apr '24
Many a ten-code user
Tue, 7 Jun '22
"Good buddy" speaker
Tue, 13 Jul '21
One who's radio-active?
Sun, 16 May '21
Trucker on a radio
Mon, 4 Jan '21
Trucker who relays "bear traps"