Here's what rhymes with ioi.
no so know go though low show co row tho fo foe ho lo bo doe dough mo po ro toe wo woe tow yo beau ceux faut goe hoe jo ko sew soe vo beaux cho dau mow noe roe sho yeux zo rho whoa doh ago flow blow grow slow snow throw pro glow quo audio fro crow thro bio uno floe tuo bro stow throe trow oleo sloe kayo pekoe schmo resew schmoe although below ratio radio chateau folio hello patio nouveau polio aglow cameo dicho rodeo topos chateaux dunno chapeau kapok tarot turbot regrow gateau chapeaux gateaux borzoi romeo embryo plateau studio bestow stereo forego forgo propos tableau aliquot escrow outgrow siglo spatio tableaux plateaux trousseau adagio deathblow foreknow bandeau matzoh fatso trousseaux tallyho overthrow undergo buffalo overflow indigo calico dynamo vertigo apropos domino medico piccolo undertow overgrow portico bungalow mistletoe presidio afterglow oregano pistachio pompano mustachio microdot moustachio portfolio politico pianissimo impresario braggadocio archipelago generalissimo