b-tree bbbbbb beebee beeper beerne beeter benben benete benett benner bennet bennur benreu bentee benter benupe berbee berber bereet berene berere berner bernet berrer berret bertre berube betere betete betrue bettee betten better betune beturn betutu beuren beurre breere brener brenne brette breuer brubru bruern bruner brunet brunne bruree bubber bububu buepen buerne bunnet bunter burbet burbur burn-e burner burnet burnup burnut burpee burper burree burren burrer burret burrup burutu butene butere butner butnet butten butter ebbert eburru eebree enbene ennepe enrupt enteer entent enter- entere entete entre- entree entrep entrer entune epener erbent erbree erenet ernee ernute errett eterne ettutu eutere nberet nebber nebeur neener neeper nennur neptun nerrer netput netter nettur neuent neuere neueue neuner neuter ntuntu nubber nuberu nuenen nunter nurpur nutter pberet pe-une pebete peepee peeper peerer peeter peetre penett penner pennet penter pentre pentup pepper perere peretu perneb perner pernet perpen perper perpet perree perren perret perter pertre peteet peten peteru petree petrer petten petter pettet petune pppppp preben preent preeue prenup prepub prerun preter pretre prette preue- pruett pruner prunet pubber pubnub puente puerer punner punnet punpun puntee punter puppet pupput purete purpre purpur purree purrer purten put-up putput putrer puttee putten putter puttur puture r-tree re-run rebent reburn rebute reeper renner rennet renpet renren rentee renter repent repete reppen repper repure repuru repute rerent reteer reteet retene retent retenu retere retree retret retter rettur retube retune return returu reuben reuere reuter reutte rub-up rubbee rubber rubent rubutu rueben ruente run-up runner runnet rupert rurutu ruttee rutten rutter rutube t-tree t-tube teebee teener teepee teerpu teetee teeter tenbun tenent teneur tenner tennet tennur tenper tenten tenter tenure tepper tereen terene terete terner terper terren terrer terret terter tertre tetete tetter tntnet treben trebur treene treete trenet trenne trente treppe tretee trette treuen treunt truett trueup truten ttrent tubber tuneup tunner tupenu tuppee tuppen tupper turben turbet tureen turnen turnep turner turnet turnup turpen turret turtur tururu tuteur tutter tuttut u-tube u-turn ubuntu unbeen unbene unbent unburn unpent unpure unrent untent untree untrue untune unturn up-put uppent uptene upturn ureter urette urturn uruppu uteute