FTLB
Set to 2 different clues across 2 published puzzles, most often “Work unit abbr.” — The New York Times, Saturday, 30 August 2008.
4 letters
Every clue on record, most used first
- Work unit abbr.once
The New York Times — Saturday, 30 August 2008
- Work unit: Abbr.once
The New York Times — Friday, 20 July 2007