The initial idioms of the letter P

play against	play along
play around	play around with
play around with someone	play as
play at	play at own game
play away from home	play back
play ball	play ball with
play ball with someone	play both ends
play both ends against the middle	play both sides against the middle
play by ear	play cards
play cards right	play cat and mouse
play cat and mouse with	play catch-up
play (something) close to (one's) chest	play dead
play devil's advocate	play dirty
play down	play down to
play dumb	play each end against the other