-tree eeeee eeler eleet elele eleme eleut ellel eller ellet ellul elmer elmet elulu eluru elute emeer emele emell emere emerl emert emmer emmet emtee emtel emule emure erem- erere errtu erte ertel erter etete etree ettel etter ettle eturu euell euler eum-u eumel eurel eurre leell leeme leere leert leleu lelle lemel lemer lemme lemur lerer lerum letem letme letre lette letur lmule lulle lulte lulul lumer lumet lumle lumme lumut lurer lurue lute- luter lutte lutum m-tel meele meell meemu meere meete melee melem melet mell- melle melte melur melut memel memer merel merer meret merle merre merte merul merur metel meter metle metr- metre mette metur meuer meule meure meute mlete mmmmm mreru mrlee mrmet mt-te mt-tm mt-tr mt-tt mtree mttle mtume muler mulet mulle mult- multe mulur mumle mumlu mumme mummu muret mureu murle murre murru murum murut muter mutet mutlu mutum reeme reere relee relet relte relue remee remel remer remet remue rere- reree reret rerum retee retel retem reter rette reuel reuer reuet reule reume reute rmutt ruele ruell ruere ruete ruler rumer rummu ruter rutle rutte rutul ruule ruutu teele teell teeme teemu tele- telem teler teleu tell- telle temel terem teret tereu terme terre tert- tetel teter tetle tetr- tette tlell tlett tlmer treer treet trele treme trere trete trett treut truel truer trule trull trume trute ttttt tuell tuelt tulem tulet tulle tulum tumul tumut turel turem turet turle turre turtu turul turut tutee tutel tutle tutte tuuru ullet ullur ulmer ulmet ulrum ultre ululu uluru umeer umeme umlet urelu ureme urtel urter urtlu urutu uter- utmer utrum utter uttur uturu uuuuu