-tree c-p-c c-tec ccccc ccett ccnet cd-np cduce cecun ceded ceder cedr- cedre ceede ceene ceere cence ceneu cenpn cenpt cent- centr cepet cerc- cerce cerec cered ceren cerer ceret cerne cerre certe ceten cetpd cette cetun cneru cnnnn cntrc cpctc crece crede creed creen creep creer cren- crepe crept crepu crete cretu creu- creue creup crnce crnec crner cruce crude cruet crune crunt crupe crure cteep cten- ctene ctree cttee cudde cueup cunde cunne cunt- cunut cuper cupr- curce cured curer curet curre curup cutcu cutee cuter cutup d-cru dcten ddddd ddntp decet decur dedde dedee deden deder dedun dedur dedut deece deede deene deepc deepe deepp deepu deere dende denee dener denet denne dent- dente depce depue derce derde dered deren derne derpt derre derue deter detre dette detur deuce deure deut- dnepr dnert dnpep dnrec drdre dredd drede dreed dreen dreep drent drepe drere druce drude drupe dturn ducun duded duden duder duduc duere duerr duete duett dueup dunce duned dunet dunne dunun duped duper dured duree duren durer duret durre durte durtu dutte e-dee e-ten eccen eccup edder eddre edere edern edred educe educt eeden eeeee eence eener eenet eeped eepee eerde eeten encre encup encur endec ended enden ender endue endup enent enerd enete ennde ennet enper enpeu enrut enten enter entre enure enurn epeen epene eperc epure erdec erden erdne erdre erdut erect erede ereen erept erere ernde ernen ernet erred errtu erte erter ertun eruct erupt etern etete etnre etree etrun etten etter etude eturu eucen eucre eunet eupen eurre n-p-n ncree ndere nderu ndpcp nduru necr- nect- nedde neded neden neder nedre neece neede neere neetu nende nente neper neppe nepte neree neret nerre nerte nerur neten netne netpc nette neuen neuer neueu neune neur- neure ntdec ntete ntntd nu-nu nucet nuder nudur nunce nunet nunun nupen nupur nurce nure- nurun nutec nutte p-n-p p-rep pcept pcert pctct pedee peece peedu peene peent peere peert peete pence pende pene- pener penne penre pent- pente pentu penup penur pepee peppe pept- pepup perce perde perdu perec peren perer peret perne pernt perre perte peruc perun perur petcu peter petr- petre petru pette petun petur peuce peude peure pnetc pptnt prece prede preen prend prene prent prepd prepn prete prntr pruce prude pruen prun- prune prunt prute pter- ptere ptprc ptprd ptpre ptprn ptprr ptprt ptpru pudde puder pudur puett punce punct punde punee punne punte pupet puppe purce pured puree puren purer purre purte puten puter putre putt- putte puttu putun putup re-up recce reced recen recep recet recpt rect- recte recue recur recut redde reden reder redup redur reece reede reene reepe reere rence rende rendu renee rener renet renne rente repec repen repet reppe reprt reptd repun reput rerde rere- reree reret rerun reted retee reter retnr rette reuen reuer reuet reune reute rnctd rnpep rtenn rucer ruden ruder rudne ruede ruere ruete rueun runcu runde rundu runec runed runer runet runne runte runup rupee ruper rurde rurec ruten ruter rutte ruutu t-nut tecn- tecnu teder teend teepe teerd teeup tencc tence tende tendt tendu tenen tener tenet teneu tenne tennu tenpn tente tenue tenup tenur tepee tepet tepeu teppu tepun terce teret tereu terne terre tert- teten teter tetr- tette tntnt treed treen treer treet trenc trend trene trent trepp trept trere trete trett treut truce trude trued truer trupt trute ttnet ttttt tucep tucet tuctu tuder tudre tudun tudur tuene tunde tundu tune- tuned tuner tunne tupee turen turet turn- turne turnp turnt turnu turre turtu turup turut tutee tutte tutun tuuru u-cee udder udenu udept udert unccd uncup uncut undee unden under undue undun undur unend unerp unete unnet unnun unnur unnut unpen unpeu unput unred unrep unrun unted unten unter unurn upc-e upcut upedu upeet upend upenn upped uppen upper upput uprun upter urdee urent urned urter uruce urucu urupe urutu utenn uter- utter uttur uturn uturu uunet uuuuu