The initial idioms of the letter B

busy as a beaver	busy beaver
busy little beaver	busy oneself with
busy with	busy work
I don't want to sound like a busybody, but	busy
But, hey	better late than never
but for	but good
but not in the biblical sense	but seriously, folks
but that's just me	but that's another story
but then	but who's counting
you can run, but you can't hide	but-boy
butch	The butler did it
but	butt
butt against	butt floss
butt heads	butt in
butt into	butt is on the line