-tree c-cor c-dot c-tec ccccc ccett cduce ceco- ceddo ceded ceder cedor cedr- cedre cedro ceede ceedo ceere cefcu cefor ceoce ceoor cerc- cerce cerco cerdo cerec cered cerer ceret cero- ceroc cerou cerre cerro certe ceto- cette cfour cfu-e co-co co-ed cocc- cocce cocco coceo cocto cocur codco codde codec coded coder codo codru coete coeur cofer coffe cofre cofur coode cooed cooee cooer coord coore coote corce corde core- cored coree corer coreu corfe corfo corfu coro- corod corot corre corte corto coted coter cott- cotte cotto cottu couco coude couer courd coure court couru couto coutu crece crede credo creed creer creft creo- creot crete cretu creu- creue croce croco crode crodo croft crood crooe croot crore crote crott croud crout cruce crude crudo cruet crufe cruft cruor crure ctree cttee cudde cudot cuero cueto cufeu cuffe cufre cuoco cuore curce cured curer curet curre curro curto cutco cutcu cutee cuter cutro cutto d-cru d-dot d-rod dcore ddddd decet decor decur dedde dedee deder dedur dedut deece deede deefe deeff deere defce defed defeo defer defet deffe deffo defoe defot deore deoro derce derde dered dero- derre derro derue deter detoo detre dette detuo detur deuce deure deut- deuto do-do doced docer docet dodec dodoo dodro doerr dofor dooce doodo doore doote doout dorce dordt dored doree doret dorff dorot dorre dorte dorud doted doter dotoo dotto douce doude douer doufe doufu doure douro doute drdre dredd drede dreed dreff dreft dreof drere drode drofe droff drood droof drote drott droue drout druce drude dtour ducor duddo duded duder dudou duduc duere duerr duete dueto duett dufur dured duree durer duret duroc durre durte durtu dutte e-dee e-otd ecoff ecord ectfe ecto- ector ectot edder eddoe eddre edeo- edere edfor edocr edoor edott edred educe educo educt eeeee eefde eerde ef-tu efere efetf effed effer effet efore efter efuru efutu eofor eorre erdec erdoc erdor erdre erdut erect erede erere erfde erode erodr eroor erore eroto erred error errtu erte erter eruct etete etoro etour etree etter etude eturu eucre eufod euro- eurre fedco fedde fedee feder fedor fedto feeor feere fefor feode feoff feood ferce ferde fered feret ferr- ferre ferro ferte feted feter feto- fetor fette feued feuer feute focer fodor foord foore foote force ford- forde fordo fore- foreo foret forro forte forto forud forur fotte fotur foude fouee fouet fourd foure fouro frede fredo freed freer freet frere frett freud freur frodo froed frood froot frore frote froud fruct frude frute fruto ftord ftrtt fu-fu fuco- fudde fuddu fuero fuoco furde furo- furor furud futur fuudo o-fer occur ocftc ocoee ocote ocree octet octo- octor odder oddur odeco odeto odeur odore odour odttf odudu odure oduro oeco- offed offer offof offre offto ofoto ofour ofter oo-er oocre ooooo orcet order ordet ordoc ordre ordro orduc oreco oredo oreed oreo- orere orero orfeo orfeu orfoe orfor oroco orodo oroer orout orret orter ortet ortoo oruce oruro orutu otere otero otoce ototo otour otter ottur oture ouder ouedo ouert ouoro ource ourde oure- outdo outed outer outof outre outro outto r-co- recce recco reced recet rect- recte recto recue recur recut redco redde reder redoc redor redot redur reece reede reefe reeft reere refco refed refer refet reffe reffo refut reord rerde rere- reree reret reted retee reter retro rette retto reuer reuet reute ro-ro rocco rocor rocou rodde roded rodef rodeo roder rodoc rodor roero roffe rofor roode roodu rooer roofe rooft roore roote rooue rorer roted roter roto- rotor rotot rotte rotto roude rouer rouet roufe roure route routt rucer ruder ruede ruere ruete ruffe ruffo rufo- rurde rurec ruter rutte ruutu tecou tedef teder teerd tefe teoco teodo terce terco teret tereu teror terre terro tert- teruo teter tetr- tetro tette teuto to-do tocco toco- tocut toder todor toece toeof toerr toeto tofet toffo tofor tofte toode tooed toord toore torce torde tordu tored toreo toret torre torro torte torto tortu torud torue toted toter toto- totoe totoo totte tourd toure touro toute treco treed treer treet trefe treff trere trete trett treut troco trode troee trofe troff troft trood trott troue trout truce truco trude trudo trued truer truff truro trute ttttt tucet tuctu tuder tudor tudou tudre tudur tuero tuffe tufte tuotu turco turet turoc turot turre turro turtu turut tutee tuteo tutor tutte tutto tuuru u-cee ucero ucode udder udert ufere ufofu uouee urdee uredo ureo- urour urter uruce urucu urutu uter- utero utro- utror utter uttur uturu ututo uuuuu