eeuler efeler effere effete effume effutu efreet efter- eleele elemer ellett elumur emeere emelle emeter emeute emmele emmert emmett emmure eretum erfurt ermler errett ettutu euller eutere f-term feeler feelme feller felter feltre femmer ferfel ferfer ferlut ferrel ferrer ferret ferrum ferrur fertee ferter ferule fetter fettle feture feuter fleete flemer fletre fleume fleure flumet flurre flurte fluter flutte freele frefre frelte fretel frette fretum freure frumel fterer fterre fueler fuerte fuffle fuller fulmer fultum fummel furfur furler furlet furrer furrfu furtle furtum futrel futret futter future leeful leelee leerer leetle leffel lefter lefull lemele lemere lemmer lemuel lemure lerret letter lettre luffer lufful luller lurulu luteum lutter luttre m-tree meelte meerle meerut meeter meetme meetre mefeel melete mellel meller mellet mellum meltem melter meltet meltre mememe memere merete merlet mermer mermet merrem merret mertel merter mertle merure meteer metrer metrum mettel metter mettet mettle mettur meurte muelle muerte muette muffel muffet muffle mufler mulere muller mullet mullum mullur mulmul mulmur multer multre multul multum mummer murell murmur murree murrel murter mutere mutter muttur mutuel mutufu mutule mutuum muumuu r-tree re-let reefer reeffe reeler reeuel refeel refeet refeff refell refelt refert refete reflee reflet reflue refret refter refuel refurl refute releef reller relleu relume remeet remelt remete remeue remufe rereel rerule reteer reteet retell retere reterm retree retret rettel retter rettur returf returu reuele reuere reuler reulle reuter reutte reutum rueful ruelle rufete ruffer ruffet ruffle rufter ruleml ruller rumfle rummel rummer rummle rumule rurutu ruttee rutter ruttle t-tree teemer teerme teetee teeter telefe telele telete teleut telfer tellee tellem teller tellme tellum tellur temere terete termer terrel terrer terret terter tertre teruel tetele tetete tetter teufel teutul treete trefet trefle trefte tremel tremet tremle tretee trette truett trufel trufle trufte truful trulle trumle tuelft tuelle tufele tuffet tuffle tufter tumer tummel tummer tumtum tumult turfel turfer turlet turmer turmut turrel turret turrum turtle turtur tururu tutele tuteur tutter tuttle tuttul tuttut tutume tuuelf ufreet ulmetu umurlu ureltu ureter urette uruffe utelle uteute