-tree e-ten eeeee eener eenet eepee eeten egene eggen egger eggng egner egret enent enete engen enger ennet enper enpeu enrge enrut enten enter entre enugu enure enurn epeen epene epure ereen erege erept erere ergen ergun ernen ernet errtu erte erter ertug ertun erupt etern etete etnre etree etrun etten etter etung eturu eugen eunet eupen eurre geere geert geete geeup gegge gener genet genge genre gente gentu geren gerre gertt getee geten geter gette getup gnptg green greer greet grege gregg grene greng grenn grent grepe grete grett greup greut grgen grgur grrrr grune grunt grure gruut guene guere guern gugen guner gunge gungu gunne gunnr gunte guren gurge gurne gurre gurun gurur guten gutte n-p-n neere neetu neger negre negru negun negur nente neper neppe nepte neree neret nerre nerte nerur neten netne nette neuen neuer neueu neune neur- neure ngege ngeue ngrep ngugu ngure nguru ntete nu-nu nuget nunet nunge nunun nupen nupur nure- nurun nutte p-n-p p-rep peege peene peeng peent peere peert peete pene- pener penge penne penre pent- pente pentu penup penur pepee peppe pept- pepup peren perer peret perge perne pernt perre perte perun perur peter petr- petre petru pette petun petur peure pgrep pptnt preen prene prent prepg prepn prete prntr pruen prun- prune prung prunt prute pter- ptere ptpre ptprg ptprn ptprr ptprt ptpru puett puget pugne punee punge pungu punne punte pupet puppe puree puren purer purge purre purte puten puter putre putt- putte puttu putun putup re-up reege reene reepe reere regen reger reget regge regne regtt regur regut renee reneg rener renet renge rengg renne rente repeg repen repet reppe reprt repun reput rere- reree reret rerun retee reter retnr retrg rette reuen reuer reuet reune reute rngtt rnpep rtenn rtgun ruegg ruere ruete rueun rugen ruger ruget rugge runer runet runge rungu runne runte runup rupee ruper ruten ruter rutte ruutu t-nut teege teepe teeup tegen tegre tegur tenen tener tenet teneu tenge tengu tenne tennu tenpn tente tenue tenup tenur tepee tepet tepeu teppu tepun teret tereu terge tergu terne terre tert- teten teter tetr- tette teuge teugn tntnt treen treer treet treg- trene trent trepp trept trere trete trett treut truer trugg trung trupt trute ttnet ttttt tuene tugen tugun tune- tuner tunge tunne tunng tupee turen turet turn- turne turnp turnt turnu turre turtu turup turut tutee tutte tutun tuuru ugene ugrug unerp unete unger unget ungur unnet unnun unnur unnut unpeg unpen unpeu unput unrep unrug unrun unten unter unurn upeet upenn uppen upper uppng upput uprun upter urent urger urgun urgut urter urupe urutu utenn uter- utter uttur uturn uturu uunet uuuuu