d-dot d-rod ddddd do-do doddy dodoo dodro doodo doody dooty doout dordt dorot dorry dorty dorud dory- dotoo dotto dotty douro douyu doyou drood drott drout droyt drury dryo- dryry drytt dtour duddo duddy dudou durdy duroy durry durtu durty dutty dyott dyrdy oddur odour odudu oduro ooooo ordro orodo orout ortoo oruro orutu oryou ototo otour ottur ottyr otuyo oudry ouoro outdo outro outto oyoor oyrur ro-ro roddy rodor rodyr roodu roody rooty rorty roto- rotor rotot rotto rotyd routt routy ruddy rudry rudyr rutty ruutu rytro ryyty to-do toddy todor todry toord tordu torro torry torto tortu torty torud toto- totoo totty totyr tourd touro toury toyou trood trory trott trout trouy trudo trudy truro truyt tryor tryto ttttt tudor tudou tudur tuotu turdy turot turro turtu turut tutor tutoy tutto tutty tuuru tyro- u-roy uoyro urour urutu uryu uryuu utro- utror uttur uturu ututo uuuuu y-o-u ydout yo-yo yorro yorty yotto youdo youdu yourt yuory yurty