Answer:

ido

Answer	Crossword Clue
IDO	1966 David Merrick musical, when doubled
IDO	Altar vow
IDO	Altar words

IDO	Common vow
IDO	Last single words
IDO	Response to bailiff's query
IDO	Vow words
IDO	Words for 31D
IDO	Altar declaration
IDO	Altar promise
IDO	Knot tying words

IDO	Rite words
IDO	Swear words?
IDO	Wedding words
IDO	When doubled, a David Merrick musical
IDO	Witness-stand vow
IDO	Altar answer
IDO	Bachelor's last words
IDO	End of the aisle words?

IDO	Matrimonial vow
IDO	Nuptial words
IDO	Last words of singleness
IDO	Swear words often said in church?
IDO	Promise under a chuppah
IDO	Response to "Who wants to blow off school and go to the amusement park?"
IDO	Final single words
IDO	Words said at some point after saying "yes" to the dress

IDO	Altar agreement
IDO	Bride's words
IDO	"... not choose to run."
IDO	Swearing-in words
IDO	Merger announcement?
IDO	"... shall live?" follower
IDO	Altar saying
IDO	June vow

IDO	".. solemnly swear..."
IDO	Binding agreement?
IDO	Nuptial response
IDO	Berlin's "What'll ..?"
IDO	Stock exchange in a church?