CIRCUMSINOUS

in is mi mo mu no nu oi om on or os si so um un us

cis con cor cos cru cum cur ins ion ism mic mir mis moc mon mor mos mun mus nim nom nor nos nus oms ons orc ors our rim rin roc rom rum run sic sim sin sir sis som son sos sou sri sum sun uns urn

cion coin coir coni cons corm corn cors coss cris croc crus curn curs cuss icon inro ions iris iron isms mics mini miri mirs miso miss mocs mons morn mors moss muni muns muon muss nims nisi noir noms nori norm nous onus orcs ours rims rins rocs roms ruin rums runs scum sics sims sins sirs soms sons sori sorn sour sous sris sumo sums suns unci unco uric urns urus