b-tree bbbbbb beebee beegee beenge beerne beeter beggen begger begnet benben benete benett benger bengre benner bennet bentee benter berbee berber bereet berege berene berere bergen berger bergne berner bernet berrer berret bertre betere betete bettee betten better bewent bewter breege breere breger bregge brener brenne brette brewer brewet brgnng ebbert eebree egbere egbert egerne eggern eggert enbene enberg enewre engret enteer entent enter- entere entete entre- entree entrer erbent erbree erenet ergene ernee errett eterne etgert ewerer gbegbe gebbet gebeng gebert geegee gegger genett genner gennet gentee gentre gerber gerege gerent gergen gerger gerner gernet gerret gertte getent getten getter getwet greben greene greete greger gregge gregre grenen grenne greter grette gteter gwbert gwereg gwerre nberet nebber neeger neener negret nenwen nerrer netter newbee newegg newent newter r-tree rebent rebrew regent regnee regner regret regrew renege rengen renger rengge rengne renner rennet renren rentee renter rerent reteer reteet retene retent retere retree retret retter rewere t-tree teebee teener teetee teeter tegner tenege tenent tengen tenger tengwe tenner tennet tenten tenter tereen terene terete terner terren terrer terret terter tertre tetete tetgen tetter tntnet treben treene treete treewe treget tregew trenet trenne trente tretee trette trewen ttrent twente webber webern webner weegee weenee weenen weener weerne weewee wegert wegner wenene wengen wenger wenner werben werent werner wernne wertew wetere wetten wetter wewere wreten wrette