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