Here's what rhymes with letzteu.
to do two too due du dew tu chew deux stew bu ju jus peu pu boo chou chu doo tue pooh poo who you new through few true view knew blue drew u threw blew coup flew qu shoe zu hue lieu shew su sue vous flue fu lu rue slew taboo zoo adieu ado brew flu hu ku loo mu nu pew seu shu sou tattoo thru vu woo yew yu coo cou eschew ewe feu fue gu hew ru shou shrew sprue thu tzu vnto vou vue wou wu goo moo strew shoo spew gnu roux zebu slue thew whew phew booboo into grew que crew pursue q residue screw anew bamboo clue cue glue queue undue cu debut retinue subdue undo jusqu overdue piu skew beaucoup mieux outdo shampoo clew mew overdo redo halloo valuer bestrew achoo review interview revenue hitherto withdrew avenue canoe renew accrue ensue untrue caribou revue sinew askew imbue outgrew honeydew bugaboo endue fondue foreknew indue kazoo marabou peekaboo overshoe prevue overdrew wazoo atishoo overview rendezvous construe overthrew ballyhoo cockatoo buckaroo muumuu overflew superglue overgrew regrew barbecue kangaroo hullabaloo barbeque misconstrue