-tree eeeee eeler ef-tu efere efetf effer effet efrem eftel efter efuru efutu 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 feele feeme feere felet felle felte feltt femle femme femur ferel feret ferle ferme ferr- ferre ferte fetel feter fette feuer feule feute fleem fleer fleet fleme flere flert flete flett fleum fleur fluff flume flumm flure flurr flurt flute fmllr fmmul freel freer freet freme fremm frere frett freur frume frute ftlee ftrtt fu-fu fulle fullf fumee fumel fumer fumet furel furme futur leell leeme leere leert lefeu leffe leful leleu lelle lemel lemer lemme lemur lerer lerum letem letme letre lette letur lmule lufre lufte lulle lulte lulul lumer lumet lumle lumme lumut lurer lurue lute- luter lutte lutum m-tel meefe 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-tf mt-tm mt-tr mt-tt mterf mtfmt mtree mttle mtume muffe mufle muler mulet mulle mult- multe mulur mumle mumlu mumme mummu muret mureu murle murre murru murum murut muter mutet mutlu mutum reefe reeft reeme reere refel refer refet reffe refme refut relee relet relte relue remee remel remer remet remue remuf rere- reree reret rerum retee retel retem reter rette reuel reuer reuet reule reume reute rmutt rtrfm ruele ruell ruere ruete ruffe ruler rumer rummu ruter rutle rutte rutul ruule ruutu teele teell teeme teemu tefe tele- telem teler teleu tell- telle temel terem teret tereu terme terre tert- tetel teter tetle tetr- tette tlell tlett tlmer tlrfm treer treet trefe treff trele treme trere trete trett treut truel truer truff trule trull trume trute ttttt tuelf tuell tuelt tuffe tufte tulem tulet tulle tulum tumul tumut turel turem turet turle turre turtu turul turut tutee tutel tutle tutte tuuru uelfe ufere ullet ullur ulmer ulmet ulrum ultre ululu uluru umeer umeme umlet urelu ureme urtel urter urtlu urutu uter- utmer utrum utter uttur uturu uuuuu