do-nut dododo dollon dollot dololo dolool dolour dolton dondon donlon donnot donoor donour doorto dordon dorlot dornot dorolt dorond dorood dororo dorton dotdot dotodo doudou doulou dounto dourou doutou doutro drouot duddon duldul dululu dundun dundur dunoon dunord dunton duolun durtol durtro dutton lloro loddon lodurr loloru london lonnol lontor looloo lorton loudon loudun loulon loulou lourlo loutou loutro lunlun lurton lurulu lutold lutton n-toon nnundu nodont noldor non-no nonodd nonold nonono nonoon noonoo noonor noonto norton notour notout notron notton nottoo notulu noturn nounou ntuntu null-o nullor nunton nurton nurulu oddlot odont- odonto odoorn ollunt oloron olorun onroll ontour oooooo oordoo ordoru oroton orrour ortrud ortulu ottoor oulton ouolon ourdon ourold ouroun ourton outlot outoul outour outrun outtro roddon rodlo rollon rollot rondon ronnon ronron rooton roound rorodt rotolo rotour rotout rotrou rotton rotulo rotund roudno roundo roundu rounou routot ruddon rudnun rudrur run-on runout runton rurutu rutour ruurlo to-on toldon toldto tollon tolono tolton toluol tondon tonlon tonono tonoro tonour tonton tooold tootoo tornod torodo tororo tortor tortou totnor totoro totrot toudon toudou toulon touron tourou touton toutou toutuo trodon trollt tronto trotro tround trudon trullo truont tundun tuntul tuotuo turnon turnor turnto turron turton turtur tururu tutour tutton tuttul tuttut u-turn udullu uldron ulloor ultron undull undurn unlord unlull unroll unroot untold untorn untrod unturn urodon urturn utnoor utroor uutool