hhhhh hhour hkhrm ho-ho ho-oh hohum hokku hokum homo- homok honko honno honor hoorn horno horom horon horro horru huhuh hukok humor humur huork huorn hurko hurm hurok huron hurum huuru khnum khoku khoro khoum khour khuru khuur knokk knork knorr knurr ko-ko kohmo kohon kokko kokor kokou kokum kokur komku komon konno konnu konro konur koonu koorn kooru korku korno korom koron koror korro koruk korun kouno krnuo krohn kromo kronk kroon kroun krumm krunk kruun kuhmo kukko kukok kukur kumon kumru kumuk kunku kunur kurku kuruk mhorr mmhmm mmmmm mohon mohor mohun mohur mokko mokon mokro mokuk mokum monno mono- monok monon monor monro mookk moorn mooro mormo moron moror morou morro morum morun mounk mourn mrmom mrorr mukho mukur mummu mumok mumun munro murko murom muron muror murrh murro murru muruk murum nkomo nnooo no-no nohno nohom nohor nokko nokon nommo nomo- nomom non-u nonno nonoh noonu norm- norok noron norro norum norun nu-nu nuhuh nunon nunun nuoro nurmo nuruk nurun o-hum oh-oh oh-ok ohmmm ohorn ohour ohrum okkur okoho okoro okuku okuru omoon omoro omron omuku onmun onoon onorn onour ooooh ooooo orkom ormur ornon oromo orono orrum oruku oruro ouoro ourno rhoon rmnmn ro-ro rohru rohun rokkk rokon romon ronk- ronko ronno ronok rookh roomu rouko roumm ruhnu rummo rummu rumor runo- runon ruomu uh-oh uh-uh uhhoh uhhuh uhuru umhum umour unkur unnun unnur unoor unorn unruh unrun unurn urkun urnok urour uuork uuuuu