-tree eeeee eeler eepee eleet elele eleme ellel eller ellet elmer elmet elpee elper emeer emele emell emere emerl emert emmer emmet empee empel empte emtee emtel eppml erem- erept erere erpel erte ertel erter etete etree ettel etter ettle leell leeme leere leert lelep lelle lemel lemer lemme lepel leper lepet leppe lepre lept- lerer letem letme letre lette m-tel meele meell meere meete melee melem melet mell- melle melte memel memer merel merer meret merle merre merte metel meter metle metr- metre mette mlete mmmmm mpret mrlee mrmet mt-te mt-tm mt-tp mt-tr mt-tt mtepe mtree mttle p-rep peele peell peere peerl peert peete pelee peler pelet pelle pepee pepel peple peppe pept- perel perer peret perle perre perte peter petr- petre pette pleep pleet plete preem prell prelp preme premp prepl prete pter- ptere ptpre ptprm ptprr ptprt reeme reepe reere relee relet relte remee remel remer remet repel repet reple reppe reprt rere- reree reret retee retel retem reter rette teele teell teeme teepe tele- telem telep teler tell- telle temel tempe tempt tepee tepet terem teret terme terre tert- tetel teter tetle tetr- tette tlell tlett tlmer tpler treer treet trele treme tremp trepp trept trere trete trett trpml ttttt