do-nut dododo dollon dollot dololo dolool dolton dondon donlon donnot dotdot dotodo doudou doulou dounto doutou duddon duldul dululu dundun dunoon dunton duolun dutton loddon london lonnol looloo loudon loudun loulon loulou loutou lunlun lutold lutton n-toon nnundu nodont non-no nonodd nonold nonono nonoon noonoo noonto notout notton nottoo notulu nounou ntuntu null-o nunton oddlot odont- odonto ollunt oooooo oulton ouolon outlot outoul to-on toldon toldto tollon tolono tolton toluol tondon tonlon tonono tonton tooold tootoo toudon toudou toulon touton toutou toutuo tundun tuntul tuotuo tutton tuttul tuttut udullu undull unlull untold uutool