eeuler efeler effere effete effutu efreet efter- efther ehrler eleele eleuth ellett erfeth erfurt erreth errett ethere ethete ethule ettutu euller eutere feeler feelth feerth feller felter feltre ferfel ferfer ferlut ferrel ferrer ferret ferrur fertee ferter ferthe ferule fether fethre fetter fettle feture feuter fleete fleeth fletre fleure flurre flurte fluter flutte freele freeth frefre frelte fretel frette freure fterer fterre fueler fuerte fuerth fuffle fuhrer fuller fulthe furfur furler furlet furrer furrfu furtle futher futrel futret futter future heehee heeler heerle heeter hefell heffer hefful hefter hehehe hehheh helele heleth helfer helleh heller hellue helter helthe hereft herher hertel herter herthe heter- hethel hether hetter heurte heutte htruth hueful huetre huffer huffle huh-uh hulett hulfer huller hullet hullur huluhu hurler hurlet hurrer hurter hurth hurtle huthur huthut hutter leeful leelee leerer leetle leffel lefter lefull lehetu lehrer lehrte lehter lerret lether letter letthe lettre luffer lufful luller lureth lurulu luther luthre luthur lutter luttre r-tree re-let reefer reeffe reeler reeuel refeel refeet refeff refell refelt refert refete reflee reflet reflue refret refter refuel refurl refute reheel rehete reheur releef reller relleu rereel rerule reteer reteet retell retere rethel rether retree retret rettel retter rettur returf returu reuele reuere reuler reulle reuter reuthe reutte rueful ruelle rufete ruffer ruffet ruffle rufter ruleth ruller rurutu ruther ruthle ruttee rutter ruttle t-tree te-hee teehee teerth teetee teeter teethe telefe telele telete teleut telfer tellee teller tellur telthe terete terrel terrer terret terter tertre teruel tetele tetete tethee tether tetteh tetter teufel teutul theefe theflu thefth thehue thelur theref thetee thethe thettu theulf threet threfe threff threll threte thrett thruff thulur thurfe thurte treete trefet trefle trefte trehet tretee trette treuth trueth truett trufel trufle trufte truful trulle tuelft tuelle tufele tuffet tuffle tufter turfel turfer turlet turrel turret turtle turtur tururu tutele tuteur tuther tutter tuttle tuttul tuttut tuuelf ufreet uh-huh ulehle ureltu ureter urette uruffe utelle uteute