The initial idioms of the letter P

put out fires	put out for
out of business	put (someone) out of humour
put out of mind	put out of misery
put out of one's mind	put out of the way
put out the red carpet (for someone)	put out the welcome mat (for someone)
put out to grass	put out to pasture
put (out) to sea	put over
put over knee	put over on
put over the top	put own house in order
put paid to	put past
put pen to paper	put people or things together
put people's heads together	put plainly
put pressure on	put roots down
put shirt on	put shoulder to the wheel
put some creature out of its misery	put some distance between