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