-tree e-ten eeeee eener eenet eepee eeten efere efetf effer effet efnet efnmr efrem efren eften efter emeer emere emert emmen emmer emmet emnem empee empte emtee enent enete enfer enmer enmtp ennet enper enten enter entre epeen epene eptfe ereen erem- erept erere ernen ernet erte erter etern etete etnre etree etten etter feeme feere femen femme fener fenne feren feret ferme ferr- ferre ferte feter fette freep freer freet freme fremm frere frett ftrtt m-net meefe meene meere meete memer menem menen mener menet menne mente merer meret merre merte meten meter metr- metre metrn mette mmmmm mnem- mneme mpret mrmet mrpnt mt-te mt-tf mt-tm mt-tn mt-tp mt-tr mt-tt mtepe mterf mtfmt mtree n-p-n neeme neere nefen nefer neffe nefre nefte nemen nempt nenem nente neper neppe nepte neree neret nerre nerte neten netne nette nmpft ntete p-fem p-n-p p-rep peene peent peere peert peete pene- penem pener penne penre pent- pente pepee peppe pept- peren perer peret perne pernt perre perte peter petr- petre pette pptnt preef preem preen preff preme premp prene prent prepn prete prmen prntr pter- ptere ptpre ptprf ptprm ptprn ptprr ptprt reefe reeft reeme reene reepe reere refen refer refet reffe refme refne remee remen remer remet renee rener renet renfe renne rente repen repet reppe reprt rere- reree reret retee retem reter retnr rette rmnmn rnmnt rnpep rperf rtenn rtrfm t-men teeme teepe tefe tefen temne tempe tempt tenen tener tenet tenne tenpm tenpn tente tepee tepet terem teret terme terne terre tert- teten teter tetr- tette tnftp tntnt treen treer treet trefe treff treme tremp trene trent trepp trept trere trete trett ttnet ttttt