The initial idioms of the letter P

politics	Politics makes strange bedfellows
poll	pollute
pollute with	polluted
pol	pomp and circumstance
pond scum	pond
ponder on	ponder
pontificate on	pony up
pony	poo
grand poobah	pooch
pooch out	pooh
pooh-bah	poohead
pooh-pooh	pool up
pool-hopping	pool
poop	poop chute
poop out	poop (one's) pants