SSI
Set to 2 different clues across 2 published puzzles, most often “Fed. funds” — The New York Times, Sunday, 11 March 2001.
3 letters
Every clue on record, most used first
- Fed. fundsonce
The New York Times — Sunday, 11 March 2001
- Fed. stipendonce
The New York Times — Sunday, 4 October 1998