BLO

Set to 2 different clues across 2 published puzzles, most often “Slo-___ fuse” — The New York Times, Wednesday, 11 November 2009.

3 letters

Every clue on record, most used first

Slo-___ fuseonce
The New York Times — Wednesday, 11 November 2009
Rain-___ (classic bubble-gum balls)once
The New York Times — Sunday, 7 October 2007