ACAB
Set to 2 different clues across 6 published puzzles, most often “Hail ___” — The New York Times, Friday, 24 June 2011.
4 letters
Every clue on record, most used first
- Hail ___5 times
The New York Times — Friday, 24 June 2011
- Hail ___ (cry "Taxi!")once
The New York Times — Monday, 16 May 2011