d-rod d-rok ddddd ddruk dhiki dhikr dhoki dhuhr diddu didio didok dioid dioro do-do dodoo dodro dohuk doido dokdo dokhu dokki dokri dokuo doodo dooku dorid dorio dorud doruk douro dridu driki driko drohi droid drood drook drori drouh drouk druid druri du-ku duddo dudhi dudki dudok dudou duduk duhri dukku durio durok duruh hhhhh hhour hi-hi hidio hidir hidr- hidur hikki hikoi hiroi hiroo hirur ho-ho ho-oh hoddu hodhr hodid hodod hodur hokki hokku hoodi hoord hoori horii horio horki horod horro horru hou-i houir hourd houri hudud hudur huhuh huidu huird hukok hukui huork hurko hurok hurri huuru idio- idodi idood idoru iiiii ikiru ikoro ikuko ikuri ikuro iodid iodo- ioooi ioooo iorio iouik irid- irido iriki irkhu iroko irori irour khidr khodi khodr khoid khoku khood khori khoro khour khrui khudi khuki khurd khuri khuru khuur ki-hi kiddo kidoh kiiki kikki kikko kikoi kikuh kikuo kikuu kioko kioku kirdi kirki kiruh kirui ko-ko kodir kodki kodok kodur kohir kohki koidu koiri kokir kokki kokko kokoi kokor kokou kokur koodi kooki koord koori kooru korki korku koror korri korro koruk koudi koudo kouki kouri krodh krodo kruki kudki kudou kudur kuhik kuhio kukko kukok kukri kukui kukur kuori kurdi kurik kurir kurki kurku kurud kuruk oddur odiid odori odour odudu oduro oh-oh oh-ok ohiki ohiou ohour ohrid ohrio oidor oiko- okido okkur okoho okoki okoro okuku okuru ooioo ooooh ooooo ordro orodo oruku oruro ouihi ouir- ouoro rhod- rhodo rikhi rikki rikuo ro-ro roddi rodik rodok rodor rodri rohod rohri rohru rokki rokkk roodi roodu roohi rookh rorid rorik rouko rudik rudki rudkk rudok ruiru rukhi rurik rurki u-hid udrih uh-oh uh-uh uhdoh uhhoh uhhuh uhuru uiro ukodo ukrid urdoi urduk urour ururi uuork uuuuu