mommur moomoo mormor mormos mormur mormyr moroso moross morous morros morsum mososo mossoo mouros mourou moussy mousum murmur musmus mussum muumuu mymymy myomo- myroom myrour oooooo oromoo ororry orrour orrouy osmous osommo ossory ossous ououso ousrou romoos romour rossum rumors rumour russo- russus rusumo rymour ryuo smurry soomro soosoo sorors sorory sorous sorrus sorsor sorsum sourou sousou summum sumoom sumoor sumuru suroso surroy sursum surumu susumu susurr syooyu syouyu syrmus sysors sysour uromys yo-yos yoyoyo yumyum