d-rod d-rok ddddd ddruk do-do doddy dodoo dodro dokdo dokuo doodo doody dooku dooky dorky dorry dorud doruk dory- douro douyu doyou drood drook drouk drury dryo- dryry du-ku duddo duddy dudok dudou duduk dukku durdy durok duroy durry dyrdy ko-ko kodok kodur kokko kokor kokou kokry kokur kokyu kooky koord kooru korku koror korro korry koruk koryo koudo koury koyuk krodo kryo- kryry kudou kudry kudur kukko kukok kukur kuoyu kurku kurud kuruk kuryk kyodo kyoko kyudo oddur odour odudu oduro okkur okoro okoyo okuku okuru ooooo ordro orodo oruku oruro oryou oudry ouoro oyoko oyoor oyrur ro-ro roddy rodok rodor rodyr rokkk rokky roodu roody rooky rouko rouky royko ruddy rudkk rudky rudok rudry rudyr ryoko ryuko u-roy ukodo uoyro urduk urour uryu uryuu uuork uuuuu y-o-u yo-yo yokoo yokou yorro youdo youdu youku youok yukky yukou yuory yurok yuruk