dododo domdom domrud domsod dordum dorood dororo dorso- dorsum dorsur dosour dossor doudou dourou dr-dos drdoom dromo- dromod dromos drummr drusus duhour dumdum dumous dumsor duomos durdum durmus durous durrus durums durusu h-hour ho-hum hoddom hodhur hodoms hohoho hohrod hohums hommos hommus hoodoo hoohoo hooroo hormud hororo horror hossur houmus housos hrrors hudood hudous huh-uh humhum hummum hummus humors humour humous hurdom hurroo hurumu hushom mhorrs mm-hmm moddom moddum mohoro mohuhu mommur moodur moodus moomoo mooshu mordor mordru mormor mormos mormur morodo moroso moross morous morros morsum mosdos mososo mossoo mouddo mouros mourou mousum ms-dos mudomo muhuhu muhurr muhuru murdur murmur mushom musmus mussum muumuu odours ohhush ohohoh omodos oohooh oooooo oordoo ordoru ormrod orodus oromoo orrho- orrour osmous osommo ossous ossudu ououso ousrou rhodo- rhodos rhosus rodhos romoos romour romrod roshor rossum rudrur ruhroh rumdum rumohr rumors rumour russo- russud russus rusumo shmoos shodur shoosh shrood shroom shroud shshsh shursh smohor smoosh sodros sohmor sohouo soomro soords soosoo sordor sorors sorous sorrus sorsor sorsum soudou soudur sourou sousou sumdum summum sumoom sumoor sumrud sumuru suroso sursum surumu susumu susurr uh-huh uhhuhs um-hum