d-rod ddddd do-do do-ol dodol dodon dodoo dodow dodro dofor dollo dollu dolno dolon dolor dolow dondo donon donor donow doodo doorn dorff dorno doron dorud doufu doull douro dowff down- droff droll drood droof drool droon droul droun drown duddo dudon dudou dudow dufur dullu dundo dunno dunod dunun durno duron dword ffold flodd flond flood floor florn floro floru floud flour flown fludd fluff fluo- fluon fluor flurn flurr flwor fnord fodor follo folon fondo fondu foord ford- fordo forno forow forro forud forur fould found fourd fouro frodo frond frood frorn froud frown fu-fu fuddu fullf fullo fund- fundo fundu fuorn furo- furor furud fuudo fword l-ron loddo lodno lodro lofou lollo lolol londo loord loron lorun lound lourd louro lownd lowno lowon luddu lulul lundu lurun lword ndour ndulu nduru nnooo no-do no-no nodof nofor nofou nofun noldo non-u nondo nonno noonu noord nordo noron norro norun nould nowlu nowon nowor nroff nu-nu nudol nudur nullo nunon nunun nuoro nurlu nurun nwlld nwodo oddur odolo odoul odour odowd odudu odulf oduro offof offon offun oflow ofnod ofnow ofold ofono oforn ofour ollon ollur olord olour ondol onlow onnow onoff onond onoon onorn onour ooooo ordon ordro orfor orful orlon orlow ornon orodo orold orolu orono orrow oruro oudon oullo oulon oulun ouoro ourno ourol owdlu oword rdllr ro-ro rodl rodon rodor rofor rolfo rollo rolon rondo ronno roodu roond roull round rowff rowlf rownd rowof rudno rudow ruffo rufo- rufol rullo rulon rundu runo- runof runon runow udol udoll ufofu ufund ullur ulno- ulowo ululu uluru undun undur unfun unfur unnun unnur unold unoor unorn unown unrol unrow unrun unurn unwon urour urowo uuuuu wodou wodur woful woldo woldu wolff wolof woodd woold woolf woond woord wordl world worod worow would wound wourd wowld wownd wowow wuffo wufoo wulff wuord wurfl wurld wurno wwoof wwwww