-tree e-ten eeeee eener eenet eepee eeten emeer emere emert emmen emmer emmet emnem empee empte emtee emure enent enete enmer enmtp enmun ennet enper enpeu enrum enrut enten enter entre enure enurn epeen epene epure ereen erem- erept erere ernen ernet errtu erte erter ertun erump erupt etern etete etnre etree etrun etten etter eturu eum-u eunet eupen eurre m-net meemu meene meere meete memer menem menen mener menet menne mente mentu merer meret merre merte merur meten meter metr- metre metrn mette metup metur meuer meure meute mmmmm mnem- mneme mpret mreru mrmet mrpnt mt-te mt-tm mt-tn mt-tp mt-tr mt-tt mtepe mtree mtume mumme mummu mumun munen munne munnt munte muppu muren muret mureu murre murru murum murup murut muter mutet mutne mutum n-p-n neeme neere neetu nemen nempt nenem nente neper neppe nepte neree neret nerre nerte nerur neten netne nette netum neuen neuer neueu neume neumu neune neur- neure ntete nu-nu numen numme nunet nunun nupen nupur nure- nurme nurun nutte p-n-p p-rep peene peent peere peert peete pene- penem pener penne penre pent- pente pentu penup penur pepee peppe pept- pepup peren perer peret perne pernt perre perte perun perur peter petr- petre petru pette petun petur peure pneum pptnt preem preen preme premp prene prent prepn prete prmen prntr pruen prun- prune prunt prute pter- ptere ptpre ptprm ptprn ptprr ptprt ptpru puett pumpe punee punne punte pupet puppe puree puren purer purre purte purum puten puter putre putt- putte puttu putun putup re-up reeme reene reepe reere remee remen remer remet remue renee rener renet renne rente repen repet reppe reprt repun reput rere- reree reret rerum rerun retee retem reter retnr rette reuen reuer reuet reume reune reute rmnmn rmutt rnmnt rnpep rtenn ruere ruete rueun rumen rumer rummu rumpt runer runet runne runte runup rupee ruper ruten ruter rutte ruutu t-men t-nut teeme teemu teepe teeup temne tempe tempt tenen tener tenet teneu tenne tennu tenpm tenpn tente tenue tenup tenur tepee tepet tepeu teppu tepun terem teret tereu terme terne terre tert- teten teter tetr- tette tntnt treen treer treet treme tremp trene trent trepp trept trere trete trett treut truer trume trump trupt trute ttnet ttttt tuene tumen tumut tune- tuner tunne tupee turem turen turet turn- turne turnp turnt turnu turre turtu turup turut tutee tutte tutun tuuru u-men uenmr umeer umeme unerp unete unmee unmet unnet unnun unnur unnut unpen unpeu unput unrep unrun unten unter unurn upeet upenn upmet uppen upper upput uprun upter ureme urent urter urupe urutu utenn uter- utmer utrum utter uttur uturn uturu uunet uuuuu