OXX
Set to 2 different clues across 2 published puzzles, most often “Part of a coach's chalk-talk diagram” — The New York Times, Wednesday, 16 May 2007.
3 letters
Every clue on record, most used first
- Part of a coach's chalk-talk diagramonce
The New York Times — Wednesday, 16 May 2007
- Tic-tac-toe loseronce
The New York Times — Sunday, 28 August 2005