ddddd dholl dhool do-do do-ol dodol dodoo dohol dohuk dohul dokdo dokhu dokuo dollo dollu doodo dooku doull du-ku duddo dudok dudou duduk dukku dullu duluk hhhhh hlokk ho-ho ho-oh hoddu hodod hohol hokku hoklo hollo holo- holou holul hoold hould hudud hudul huhuh hukok hullo huolu khoku khold khood khull khulo kludd ko-ko kodok kohlu kohol kokko kokou koldo koldu kolho kollo kollu kolol koolu koudo koulo kudlu kudou kukko kukok kullo kullu kulul ldodk loddo lohho lollo lolol luddu lukho lukko lukok lukou lulul odolo odoul odudu oh-oh oh-ok okoho okuku ooooh ooooo oullo udol udoll uh-oh uh-uh uhdoh uhhoh uhhuh ukodo ululu uuuuu