-tree eeeee eepee emeer emere emert emmer emmet empee empte emtee erem- erept erere erte erter etete etree etter meere meete memer merer meret merre merte meter metr- metre mette mmmmm mpret mrmet mt-te mt-tm mt-tp mt-tr mt-tt mtepe mtree p-rep peere peert peete pepee peppe pept- perer peret perre perte peter petr- petre pette preem preme premp prete pter- ptere ptpre ptprm ptprr ptprt reeme reepe reere remee remer remet repet reppe reprt rere- reree reret retee retem reter rette teeme teepe tempe tempt tepee tepet terem teret terme terre tert- teter tetr- tette treer treet treme tremp trepp trept trere trete trett ttttt