AKU
Set to 2 different clues across 2 published puzzles, most often “When repeated, a Thor Heyerdahl title” — The New York Times, Sunday, 11 October 2009.
3 letters
Every clue on record, most used first
- When repeated, a Thor Heyerdahl titleonce
The New York Times — Sunday, 11 October 2009
- When doubled, a Thor Heyerdahl titleonce
The New York Times — Wednesday, 1 July 1998