There is a total of 21 clues beginning with p-
- P---ARY CARE PHY-ICIANS
- P-47s, eg
- P-51 maneuver
- P-A-G-E turner, maybe
- P-like Greek letter
- P-like Greek letters
- P-like letter
- P-like letters
- P-like letters on sorority sweaters
- P-Peter link
- P-Q, maybe: Abbr
- P-Q4, in chess
- P-shaped Greek letter
- P-shaped letters
- P-T connection
- P-T filler
- P-T link
- P-T linkup
- P-trap?
- P-U connection
- P-V series