-tree e-ten eeeee eener eenet eepee eeten emeer emere emert emmen emmer emmet emnem empee empte emtee enent enete enmer enmtp ennet enper enten enter entre epeen epene ereen erem- erept erere ernen ernet erte erter etern etete etnre etree etten etter m-net 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-tm mt-tn mt-tp mt-tr mt-tt mtepe mtree n-p-n neeme neere nemen nempt nenem nente neper neppe nepte neree neret nerre nerte neten netne nette ntete 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 preem preen preme premp prene prent prepn prete prmen prntr pter- ptere ptpre ptprm ptprn ptprr ptprt reeme reene reepe reere remee remen remer remet renee rener renet renne rente repen repet reppe reprt rere- reree reret retee retem reter retnr rette rmnmn rnmnt rnpep rtenn t-men teeme teepe temne tempe tempt tenen tener tenet tenne tenpm tenpn tente tepee tepet terem teret terme terne terre tert- teten teter tetr- tette tntnt treen treer treet treme tremp trene trent trepp trept trere trete trett ttnet ttttt