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