HCH
Set to 3 different clues across 5 published puzzles, most often “Methylene group, chemically” — The New York Times, Sunday, 3 February 2002.
3 letters
Every clue on record, most used first
- Methylene group, chemically2 times
The New York Times — Sunday, 3 February 2002
- F.D.R.'s predecessor2 times
The New York Times — Wednesday, 13 August 1997
- White House monogramonce
The New York Times — Saturday, 13 June 1998