oahe oahu oama obba obbo obea obec oboe obuh ocab ocac ocam ocbc occa occc oce ocee ocef ocfa ocha oche ocma ocom ocum oec- oeca oecc oeec oeme oeuf ofah ofem off- offa offc offe offh offo offu ofme oham ohau ohba ohbe ohcc ohee ohho ohme ohob ohoh ohum omac omam omao ombe ombo ombu omca omee omeo omha omma omo- omoa omoe omoo omuo ooaa ooba oobe ooff ooha ooho ooma oome oooh oooo ouac oucc ouch ouea oufc oufe ouff ouma oume ouu- uabc uaca uafa uamc uaoc uaua ubac ubba ubbe ubbo uboc ucam ucbc ucca ucea ucfa ucfb ucha uche ucho ucmc ucom ucua ueba uefa ufcu uffa uffe uhoh uhuh umaa umac umb- umba umbe umbo umec umff umma ummo umoe uocc uofa uofm uofo uomo uuoc uuuu