d-rod ddddd dedde dedee deder dedur deede deefe deeff deere defed defeo defer deffe deffo defoe deore deoro derde dered dero- derre derro derue deure do-do dodoo dodro doerr dofor doodo doore dored doree dorff dorre dorud doude douer doufe doufu doure douro drdre dredd drede dreed dreff dreof drere drode drofe droff drood droof droue drude duddo duded duder dudou duere duerr dufur dured duree durer durre e-dee edder eddoe eddre edeo- edere edfor edoor edred eeeee eefde eerde efere effed effer efore efuru eofor eorre erdor erdre erede erere erfde erode erodr eroor erore erred error eufod euro- eurre fedde fedee feder fedor feeor feere fefor feode feoff feood ferde fered ferr- ferre ferro feued feuer fodor foord foore ford- forde fordo fore- foreo forro forud forur foude fouee fourd foure fouro frede fredo freed freer frere freud freur frodo froed frood frore froud frude fu-fu fudde fuddu fuero furde furo- furor furud fuudo o-fer odder oddur odeur odore odour odudu odure oduro offed offer offof offre ofour oo-er ooooo order ordre ordro oredo oreed oreo- orere orero orfeo orfeu orfoe orfor orodo oroer oruro ouder ouedo ouoro ourde oure- redde reder redor redur reede reefe reere refed refer reffe reffo reord rerde rere- reree reuer ro-ro rodde roded rodef rodeo roder rodor roero roffe rofor roode roodu rooer roofe roore rooue rorer roude rouer roufe roure ruder ruede ruere ruffe ruffo rufo- rurde udder ufere ufofu uouee urdee uredo ureo- urour uuuuu