b-tree bbbbbb bedded bedder bedebt beduru beebee beedee beerde beeter behbud behete behrud behter berbee berber berede bereet berere berhet berrer berret berthe bertre berube betere betete betrue betted bettee better betutu beurre bredde breded breder bredth breede breere breeth brethe brette breuer brubru bruder brudet brurde bruree bruted bthree bubber bububu budded budder buhrer burbet burbur burder burdet burdur burred burree burrer burret burutu butere butted butter butthe dbette dbttht de-err debdeb debere debert debete debeth debret debted debtee deburr deddeh dedute deeded deedee deeder deerth dehere derere derrer derthe derure deterr detete detter deturb deubre deuter dreder dreher drehte drruth druber dubbed dubber dubdub dudder duerer dueted duetee duette dureth duttee ebbert ebbeth eburru edburh eebree erbree erreth errett ethere ethete ettutu eutere hebbur hebete heddeh hedder heddre heebee heeded heeder heehee heerde heered heeter hehehe hehheh herbed herber herbet herded herder herher herter herthe heter- hether hetter heurte heutte htruth hubber hubbub hubdub hubert hububb hueber huetre huh-uh hurred hurrer hurted hurter hurth huthur huthut hutted hutter r-tree rebred rebute redbed redbud redded redder reddur redere redred redted redthe redure reeded reeder rehber rehder rehete reheur reteed reteer reteet retere rether retree retret retted retter rettur retube returu reuere reuter reuthe reutte rubbed rubbee rubber rubutu rudder rudrur rurutu ruther rutted ruttee rutter rutube t-tree t-tube te-hee tebedu tebeth tedded tedder tedure teebee teeder teehee teerth teetee teeter teethe teheed terete terrer terret terter tertre tetede tetete tethee tether tetteh tetter theder thehub thehue thered therub theted thetee thethe thettu threde threed threet threte thrett thuder thurte trebur treder treete trehet tretee trette treuth truehd trueth truett tubbed tubber tudder turbeh turbet turbhe turret turtur tururu tuteur tuther tutted tutter tuttut u-tube ubered udburu uehrde uh-huh uhtred urdeur ureter urette uteute