The initial idioms of the letter T

the black ox has trod upon (one's) toe	the black sheep
the blahs	the blind leading the blind
the bomb	the boot is on the other foot
the bottle	the bottom drops out of the market
the bottom fell out	the bottom line
the bottom of the barrel	the bottom of the heap
the bottom of the hour	the bottom of the ladder
the boys in blue	the brains behind
the brass ring	the breaks
the bright lights	the bubble bursts
The buck stops here	the buck stops with
the bum's rush	burning question
the bush telegraph	busiest men have the most leisure
the business	the business end
the business end of	the cage of anger