PSIS
Set to 21 different clues across 33 published puzzles, most often “Trident-shaped letters” — The New York Times, Tuesday, 31 October 2006.
4 letters
Every clue on record, most used first
- Trident-shaped letters5 times
The New York Times — Tuesday, 31 October 2006
- Pitchfork-shaped letters3 times
The New York Times — Monday, 30 May 2011
- Fraternity letters3 times
The New York Times — Sunday, 29 March 2009
- They're trident-shaped3 times
The New York Times — Sunday, 23 July 2006
- Electric flux symbols2 times
The New York Times — Sunday, 8 January 2006
- Letters before omegas2 times
The New York Times — Monday, 7 August 2000
- Fraternity charactersonce
The New York Times — Saturday, 16 April 2011
- Letters after chisonce
The New York Times — Monday, 23 August 2010
- Greek letters that resemble pitchforksonce
The New York Times — Monday, 1 September 2008
- Greek letters that look like pitchforksonce
The New York Times — Tuesday, 1 July 2008
- Characters in a frat house?once
The New York Times — Thursday, 22 February 2007
- Greek lettersonce
The New York Times — Friday, 24 November 2006