Related Clues:
- Magnum and Ellery Queen: Abbr.
- Some sorority letters
- XXX, to the Greeks
- Corinth consonants
- Dicks
- Letters on some college buildings
- TV's Magnum et al.
- Geometry symbols
- Circumference-to-diameter ratios
- Circle figures
- TV's Rockford et al.
- Certain Greek letters
- Greek X's
- They're marked on some math tests
- Detectives, briefly