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