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