-tree c-cor c-tec ccccc ccell ccett cclef ccrcl ccrel cctrl ceco- ceele ceelo ceere cefcu cefor celco celer cell- celle cello celo- celte ceoce ceoor ceorl cerc- cerce cerco cerec cerer ceret cero- ceroc cerou cerre cerro certe ceto- cette cfler cfour cfu-e clcff cleco cleef cleer cleet clefe cleft clerc clere clete cleto clett clewe cloff cloof cloor cloot clore clort clote cloue clour clout clowe clowr clowt clue- cluer clufe cluff clurr clute clutt co-co cocc- cocce cocco coceo cocle cocol cocow cocto cocur coel- coelo coete coeur cofer coffe cofre cofur cole- colee colef colel coleo coler colet colfe coll- colle collo colo- color colre colur cooee cooer coole coolo coore coote corce core- coree corel corer coreu corfe corfo corfu corlu coro- corol corot corre corrl corte corto cotel coter cotle cott- cotte cotto cottu cotul couco couer coule coull coult coure courl court couru couto coutu couwe cowee cowel cower cowff cowle cowre crece creel creer creft crele crell creo- creot crete cretu creu- creue creul crewe croce croco croft croll crooe crool croot crore crote crott croul crout crowe crowl crrel cruce cruel cruet crufe cruft crule crull cruor crure crwet ctcfl ctree ctrlc ctrol cttee ctulu cuero cueto cufeu cuffe cufre culet culle cullu culot culto culur cuoco cuore curce curel curer curet curle curll curlo curlu curre curro curto cutco cutcu cutee cuter cutle cutro cutto cuuel cuwul eccle ecoff ecole ecolo ectfe ecto- ector ectot eeeee eelco eeler ef-tu efere efetf effer effet eflow efore eftel efter efuru efutu elcor elcot elect eleet elele eleo- eleot eleut ellel eller ellet elloe ellul eloee eloff elole eloor elore eloro elote elout elrec eltro elulu eluru elute elwro eofor eorre ercol erect erere erewe eroor erore eroto errew errol error errtu erte ertel erter eruct etete etoll etool etoro etour etree ettel etter ettle eturu etwee eucre euell euler eurel euro- eurre ewell ewert ewfte ewloe ewlow fclef feele feeor feere fefor felce felet felle felte feltt feoff feole ferce ferel feret ferle ferlo ferow ferr- ferre ferro ferte fetel feter feto- fetor fette feuer feule feute fewel fewer fewle fewte flect fleer fleet flere flero flert flete flett fleur fleww flocc floor flore floro floru flote floto flour flout flowe fluce fluff fluo- fluor flure flurr flurt flute flwor focer folco folet folle follo folwe foole foore foote force fore- forel foreo foret forow forro forte forto forur forwe fotte fotur fouee fouel fouet foule foure fouro fower fowle fowte freel freer freet frere frett freur froot frore frote fruct frute fruto ftlee ftrtt fu-fu fuco- fuero fulco fulle fullf fullo fuoco furel furo- furor futur lecce lecco leece leeco leell leeof leere leert leeuw lefeu leffe lefou leful leleu lelle lerer leroc lerot letot letow letre lette letto letur leuc- leuce leuco leuro lewce lewer lewre lewte loco- locro loewe lofer loffe lofou lofte loler lollo lolol looce looer looft loore loote loowe lorel loreo lorer loret lorre lorut lotec lotof lotor lotow lotru lotte lotto louce louer loule loure louro lowce lower lowre lowte ltcol lucee lucet lucre lucur lufre lufte lulec lulle lulte luluc lulul lurer lurue lute- luteo luter lutol lutow lutte lutto lwewo o-fer occur ocelo ocftc ocllo ocoee ocote ocree octet octo- octol octor ocul- oculo oeco- oelet oerel oerle offer offew offof offre offto offwe oflow ofoto ofour oftel ofter oftwo oleo- olere olleo oller ollur olotu olour oltet oltre oo-er oocre ooooo oowee orcet oreco orell oreo- orere orero orfeo orfeu orfoe orfor orful orlec orlet orlow oroco oroer orolu orout orret orrow orter ortet ortoo ortwo oruce oruro orutu orwoe otell otelo otere otero otoce otole otolo ototo otour otter ottur otulu oture ouert oullo ouoro ource oure- ourol outer outof outre outro outto ouwer owelu oweto owler owlet owre- owte- owtte r-co- rcolo recce recco recet rect- recte recto recue recur recut reece reefe reeft reere reewe refco refel refer refet reffe reffo refut relee relet rello relot relte relue reowe rere- reree reret rerow retee retel reter retew retow retro rette retto reuel reuer reuet reule reute reuwe rewel rewer rewet rewle rewll ro-ro rocco rocor rocou roell roero roewe rofel roffe rofor roleo rolfe rolfo rollc rolle rollo rooer roofe rooft roole roore roote rooue rorer rotel roter rotfl rotle roto- rotol rotor rotot rotte rotto rouer rouet roufe roule roull roure route routt rouwe rowce rowel rower rowet rowfe rowff rowle rowlf rowof rowte rowto rowwe rucer rucul ruele ruell ruere ruete ruffe ruffo rufo- rufol ruler rullo rurec ruter rutle rutte rutul ruule ruutu ruwer ruwet tcell tecou tecul teele teell tefe telce telco tele- telec teleo teler teleu tell- telle tello telo- telwe teoco teolo teotl terce terco teret tereu teror terre terro tert- teruo tetel teter tetle tetr- tetro tette teuto tewel tewer tewet tewor tlell tlett tocco toco- tocut toece toefl toeof toerr toeto toetw tofet toffo tofol tofor tofte toler tolet tolle tollo toloo tolor tolow tolu- toole toolt toore torce torel toreo toret torow torre torro torte torto tortu torue torul totel toter totle toto- totoe totoo totte totwo touel toule toull toure touro toute towee towel tower towle towoo towre treco treer treet trefe treff trele trere trete trett treut trewe troco troee trofe troff troft troll trott troue troul trout trouw trowe trowl truce truco truel truer truff trule trull truro trute truwe trwce ttttt tucet tuctu tuelf tuell tuelt tuero tuffe tufte tulce tulet tulfo tulle tulor tulou tuotu turco turel turet turew turle turoc turot turow turre turro turtu turul turut tutee tutel tuteo tutle tutor tutow tutte tutto tuuru tuwel tweel tweer tweet twelf twell twelt twere two-l twoer twolf twoll twoof twoor twort twote twoto u-cee uccel uccle ucell ucero uclue uelfe ufere ufofu ulcer ulcot ullet ullur ulowo ulteo ultre ululu uluru uouee urcel urelu ureo- urewe urour urowo urtel urter urtlu uruce urucu urutu uter- utero utole utro- utror utter uttur uturu ututo 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