h-hour ho-hum hohloh hohoho hok-lo holhol holloo hollum holmul holoku holoor holour hoohoo hookor hookum hooroo hormuz hororo horror horzu houzhu huh-uh hukkok hullok hulloo hullur huluhu humhum hummum humour hurmuz hurroo hurumu huzhou huzoor khomuz khorlo khorol khoroo khoruk khorum khouzh khuhro klozum kohoku kokkoh kokoku kokolo kokomo kokoro kolkoz kolkuh kolluk kollum kololo koloum komkor komlo komoro komuro kookoo korkor kormuk koromo kororo koroum koruru koukou kouloh koulou kouoro kourou kozluk kozoku krokom kukuom kulhor kullum kullur kulolo kuloor kululu kumkum kummuh kummul kumukh kurkul kurmuk kuroko kurukh kururu kuzhur kuzuko l-hour lloro lokomo lokoum lokrum lokrur lollum loloru lomlom looloo loroum loukou loulou lourlo lukoml lukulu lurulu luzhou mm-hmm moholl moholm mohoro mohuhu mokolo mokoro mokulu molkom molkuh mollom moloko molour mommur momoko moomoo mooruk mormor mormur morolo mourou muhuhu muhurr muhuru mukluk mukuro mukuru mullum mullur mulmul mulmur muluku murmur murzuk muumuu o-hook ohlook ohohoh okollo okumoo okuzlu oluklu omzoor oohooh ookroo oooooo oozlum ormolu oroluk oromoo orozko orrho- orrour ouzoum rllmuk rokkor roklum rokuko rokuro romolo romour romulo rozzol ruhroh rukozo rumohr rumour ruurlo ruzhou uh-huh ukhrul ulloor um-hum umlouk umurlu urkulu urzhum uzumlu zhuolu zohour zooloo zoomoo zooomr zoozoo zorkul zorzor zoukou zouzou