XOX
Set to 2 different clues across 2 published puzzles, most often “Tic-tac-toe loser” — The New York Times, Sunday, 11 April 2004.
3 letters
Every clue on record, most used first
- Tic-tac-toe loseronce
The New York Times — Sunday, 11 April 2004
- Noughts-and-crosses lineonce
The New York Times — Thursday, 29 April 1999