d-rod ddddd do-do doddy dodon dodoo dodro dondo donny donon donor doodo doody doorn dorno doron dorry dorud dory- douro douyu doyon doyou drony drood droon droun drury dryo- dryry duddo duddy dudon dudou dudyn dundo dundy dunno dunny dunod dunun dunyu durdy durno duron duroy durry duyun dyrdy ndour nduru nnooo no-do no-no noddy non-u nondo nonno nonny noonu noord nordo noron noroy norro norry norun noudy nouny noyon noyou nu-nu nuddy nudur nunny nunon nunry nunun nuoro nurry nurun nuydu nyord nyoro oddur odour odudu oduro onnuy onond onoon onorn onour onryo onyon onyou ooooo ordon ordro ornon orodo orono oruro oryou oudon oudry oundy ouoro ourno oyoor oyrur ro-ro roddy rodon rodor rodyr rondo ronno ronny roodu roody roond round rouyn royon ruddy rudno rudny rudry rudyr rundu runny runo- runon ryndy u-roy udryn undry undun undur unnun unnur unoor unorn unrun unryu unurn uoyro urour uryu uryuu uuuuu y-o-u yo-yo yondu yoron yorro youdo youdu yound youno youon yourn yunyu yuory