eeuler ehrler eleele eleuth ellett erreth errett ethere ethete ethule ettutu euller eutere heehee heeler heerle heeter hehehe hehheh helele heleth helleh heller hellue helter helthe herher hertel herter herthe heter- hethel hether hetter heurte heutte htruth huetre huh-uh hulett huller hullet hullur huluhu hurler hurlet hurrer hurter hurth hurtle huthur huthut hutter leelee leerer leetle lehetu lehrer lehrte lehter lerret lether letter letthe lettre luller lureth lurulu luther luthre luthur lutter luttre r-tree re-let reeler reeuel reheel rehete reheur reller relleu rereel rerule reteer reteet retell retere rethel rether retree retret rettel retter rettur returu reuele reuere reuler reulle reuter reuthe reutte ruelle ruleth ruller rurutu ruther ruthle ruttee rutter ruttle t-tree te-hee teehee teerth teetee teeter teethe telele telete teleut tellee teller tellur telthe terete terrel terrer terret terter tertre teruel tetele tetete tethee tether tetteh tetter teutul thehue thelur thetee thethe thettu threet threll threte thrett thulur thurte treete trehet tretee trette treuth trueth truett trulle tuelle turlet turrel turret turtle turtur tururu tutele tuteur tuther tutter tuttle tuttul tuttut uh-huh ulehle ureltu ureter urette utelle uteute