h-hour ho-hum hohhot hohoho hoohoo hooroo hororo horror hortor hotoro hottot houtou htruth huh-uh huhhot humhot humhum hummum humour hurroo hurth hurumu huthur huthut mm-hmm mohoro mohout mohuhu mommur moomoo mormor mormur moroto morrot motmot motomu motor- motoro motour moturu mourou mrmoto muhuhu muhurr muhuru murmur muroto muthur mutomo muttur mutuum muumuu ohohoh ohotmu ohtomu ohtoto oohooh oomoto oooooo oromoo orrho- orrour ortho- otmoor ottoor outour outtro romour roomth roomto rotour rotout rotrou rottum routot ruhroh rumohr rumour rurutu rutour t-room thoro- thourt thouth thromm throut tohoro tommot tomort tomtom tomtor toohot tootoo tororo toroth tortor tortou tortum totoro totrot touhou tourou toutou toutuo trotro tumour tumtum tuotuo turmut turrum turtur tururu tutour tuttut uh-huh um-hum utouth utroor