dododo domdom domrud domsod dordum dorood dororo dorso- dorsum dorsur dosour dossor doudou dourou dr-dos drdoom dromo- dromod dromos drummr drusus dumdum dumous dumsor duomos durdum durmus durous durrus durums durusu moddom moddum mommur moodur moodus moomoo mordor mordru mormor mormos mormur morodo moroso moross morous morros morsum mosdos mososo mossoo mouddo mouros mourou mousum ms-dos mudomo murdur murmur musmus mussum muumuu odours omodos oooooo oordoo ordoru ormrod orodus oromoo orrour osmous osommo ossous ossudu ououso ousrou romoos romour romrod rossum rudrur rumdum rumors rumour russo- russud russus rusumo sodros soomro soords soosoo sordor sorors sorous sorrus sorsor sorsum soudou soudur sourou sousou sumdum summum sumoom sumoor sumrud sumuru suroso sursum surumu susumu susurr