-tree c-tec ccccc ccett ccnet cecun ceene ceere cefcu cence ceneu cent- centr cerc- cerce cerec ceren cerer ceret cerke cerne cerre certe ceten cette cetun cfu-e cneru cnnfn cnnnn cntrc crece creek creen creer creft creke cren- crete cretu creu- creue crnce crnec crner cruce cruck cruet crufe cruft cruke crune crunk crunt crure cten- ctene ctree cttee cucuk cufeu cuffe cufre cuker cunne cunt- cunut curce curer curet curre cutcu cutee cuter e-ten eccen ecker ectfe eecke eeeee eence eener eenet eeten ef-tu efere efetf effer effet efnet efren eften efter efuru efutu ekene ekker ekren ekuku ekuru encke encre encur enent enete enfce enfer enfeu enker enku ennet enrut enten enter entre enuff enure enurn erect ereen erere erkec ernen ernet errtu erte erter ertun eruct eruke eteke etern etete etnre etree etrek etrun etten etter eturu eucen eucre eunet eurre fcent feere fence fenek fener feneu fenne ferce feren feret ferr- ferre ferte feter fette feuer feute freck freek freer freet freke frenk frere frett freur fruct frunt frute ftrtt fu-fu fucun funck funen funet funke furen futur k-ute kecer keefe keene keere kefee kekec kenet kenku kenne kente kerek keren keret kerne kernu kerre kertu ketek keten keter kette kneck kneen knete knuck knuff knurr knute kreef kreek kreke krenn krete kreuk krnce krufc kruft krunk kruun kucer kucuk kukec kukur kunek kunen kuner kunku kunne kunur kurek kuren kurku kurne kurre kurte kuruc kuruk kutte kuttu kutur ncree necke necr- nect- neece neere neetu nefen nefer neffe nefre nefte neker nente neree neret nerre nerte nerur neten netne nette neuck neuen neuer neueu neuft neune neur- neure nnfcc ntete nu-nu nucet nuker nunce nunet nunun nurce nure- nurek nurfc nuruk nurun nutec nutte nutuk recce recen recet recke reckn rect- recte recue recur recut reece reefe reeft reene reere refen refer refet reffe refne refut reken rekke rekne rekun rence renee rener renet renfe renke renku renne rente rere- reree reret rerun retee reter retnr rette reuen reuer reuet reune reute rt-rk rtenn rucer ruere ruete rueun ruffe ruken rukke runcu runec runer runet runne runte rurec ruten ruter rutte ruutu t-nut tcutk tecn- tecnu tefe tefen teken teket tekke tekn- ten-k tencc tence tenen tener tenet teneu tenke tenne tennu tente tenue tenur terce terek teret tereu terne terre tert- teten teter tetr- tette tneck tntnt treck treen treer treet trefe treff trenc trene trent trere trete trett treut truce truck truer truff truke trunk trute ttnet ttttt tucet tucke tuctu tuene tuffe tufte tukne tukur tune- tuner tunku tunne turck turek turen turet turku turn- turne turnt turnu turre turtu turut tutee tutku tutte tutun tuuru u-cee uceku ueken ufere ukeke ukert uncut unete unfun unfur unken unker unket unkur unnet unnun unnur unnut unref unrun unten unter unurn urent urker urkun urkut urter uruce urucu urutu utenn uter- utter uttur uturn uturu uunet uuuuu