The initial idioms of the letter B

between the hammer and the anvil	between the jigs and the reels
read between the lines	between the pipes
between the sheets	between two fires
fall between the cracks	between wind and water
between you, me, and the bedpost	between you, me, and the lamppost
between you and me	between you me and the bedpost
between	betwixt and between
bevy of beauties	beware
beware of	Beware of Greeks bearing gifts
bewottled	beyond
beyond (one's) ken	beyond a doubt
beyond a reasonable doubt	beyond a shadow of a doubt
beyond question	beyond belief
beyond comparison	beyond depth
beyond description	beyond help