PIS
3 letters
Historical clue formulations
- Some film noir figures, for short — 2026-07-26
- Hired detectives, for short — 2026-07-19
- Magnum and Spade, for short — 2025-05-24
- Detectives, for short — 2025-03-30
- Some hired professionals, for short — 2024-05-10
- Sherlock Holmes and Veronica Mars, for short — 2023-05-31
- Circle ratios — 2023-04-03
- Detectives, informally — 2020-03-16
- Detectives, for short — 2019-12-17
- Detectives, for short — 2016-05-02
- Geometry textbook symbols — 2016-03-20
- Geometry students' symbols — 2015-03-24
- Rho preceders — 2014-09-30
- Gumshoes — 2014-01-26
- Greek letters before rhos — 2013-11-18
- Fraternity letters — 2011-08-30
- Some tails, for short — 2011-07-31
- Greek letters — 2011-07-19
- Geometry symbols — 2008-02-26
- Greek consonants — 2007-11-25
- Letters on some college buildings — 2007-10-12
- Dicks — 2007-09-22
- Symbols used in angle measurement — 2005-11-27
- Mathematical constants — 2005-01-02
- Circle constants — 2004-02-08
- Fraternity letters — 2002-06-21
- Magnum and others: Abbr. — 2001-05-17
- Parts of geometry calculations — 2000-07-12
- Circle ratios — 1999-08-31
- Jumbles — 1998-10-31
- Math ratios — 1998-06-26
- Tecs — 1998-04-19
- Detectives, for short — 1997-10-21
- Magnum and others, for short — 1996-12-24
- Circumference-figuring figures — 1996-08-14
- Math ratios — 1996-05-02
- TV's Magnum and the like — 1995-12-11
- Mathematical constants — 1995-11-05
