The initial idioms of the letter B

buns	burb
burbed out	burden of proof
burden with	burden
burgeon out	burger
burger-flipper	burg
time burglar	buried treasure
bury	burly
burn	burn a hole in (one's) pocket
burn artist	burn at the stake
burn away	burn boats
burn bridges	burn bridges in front of
burn down	burn fingers
burn for	burn in
burn in effigy	burn into
burn itself out	Burn not your house to fright the mouse away