b-tree bbbbbb becked becker becket becure bedded bedder bedebt bedeck bederk beduck beduke beduru beebee beedee beeker beerde beeter bekker berbee berber bercke berede bereet bereke berere berker berkut berrer berret bertre berube betere betete betrue betted bettee better betutu beurre bredde breded breder breede breere brekke bretcu brette breuer brubru bruder brudet bruker bruket brurde bruree bruted bubber bububu bucked bucker bucket budded budder budruk bukett bukkur bukuru burbet burbur burcer burder burdet burdur burked burket burkut burred burree burrer burret buruku burutu butere butted butter butucu c-cube ceecee cerete ceruce creede creeke creete creket crudde cruded cruder crured cubbed cubber cubeck cubert cubube cucube cucurb cuddee curbed curber curded curete curred currer curret curted curter cutcut cutted cuttee cutter dbette de-err debdeb debece debere debert debete debret debted debtee deburr decede deceue decked decker decred decree decure decurt decute deduce deduct dedute deeded deedee deeder deeked dekker dektur derect derere derker derrer derure detect detekt deterr detete detter deturb deubre deuced deuter dreder drubec druber dubbed dubber dubcek dubdub ducked ducker ducket ducted dudder duerer dueted duetee duette durcet durkee duttee ebbert eburru eckerd eckert ecured educed eebree eerect erbree erketu errett etcetc ettutu eutere k-tree kebber kebede kecked keeked keeker kekkut kerbed kerber kereru kerker kerkuk kertee ketter ketuke keuruu kreker kretek krueck kubeer kuduru kukere kukurd kurdcu kurkcu kurree kururu kutke kutter r-tree rebbec rebeck rebeuc rebred rebuck rebuke rebute recbcd recced recede receed recked recrue recuer recurb recure recurt redbed redbud redded redder reddur redeck redere redred redted reduce reduct redure reeded reeder reeked reeker rekrut retece reteed reteer reteet retere retree retret retted retter rettur retube returu reubke reuere reuter reutte rubbed rubbee rubber rubutu rucked rucker rudder rudrur rukerd rukutu rurkee rurutu rutted ruttee rutter rutube t-tree t-tube tebedu tedded tedder tedure teebee teeder teetee teeter teeuck tekrur tercer tercet tercud terete terrer terret terter tertre tetede tetete tetter teucer tr-rec trebce trebek trebur treck- treder treece treete treker tretee trette tretuk treuce truett truker tubbed tubber tucked tucker tucket tudder tuderk tuktuk turbet tureck turker turret turtuk turtur turucu tururu tuteur tutted tutter tuttut u-tube ubered udburu udukku uecker urdeur ureter urette uteute utukku utukur