b-tree bbbbbb beebee beebem beegee beembe beemen beemer beenge beerme beerne beeter beggen begger begnet bemeet bement bemete benben beneme benete benett benger bengre benner bennet bentee benter berbee berber bereet berege berene berere bergem bergen berger bergne bermet berner bernet berrer berret bertem bertre beteem betere betete bettee betten better breege breere breger bregge bremen bremer brener brenne brette brgnng ebbert eebree egbere egbert egemen egerne eggern eggert embnet embree emeere emerge emeter emmene emmert emmett enbene enberg engret enteer enteme entent enter- entere enterm entete entre- entree entrer erbent erbree erenet ergeme ergene ernee errett eterne etgert gbegbe gebbet gebeng gebert geegee gegger gement gemert gemmer genett genner gennet gentee gentre gerber gerege gerent gergen gerger germen germer gerner gernet gerret gertte getent getten getter greben greene greete greger gregge gregre grenen grenne greter grette gteter m-tree mbembe meenge meeten meeter meetme meetre megere megerg meggen megger megget member membre mememe memeng memere meneen meneer meneng mengen menger mennen mentee mereng merete mergee mergen merger mermen mermer mermet merner merrem merren merret merten merter meteer metnet metrer metten metter mettet nberet nebber neeger neener negret nemegt nemrem nerrer netmen netter r-tree rebent regent regnee regner regret remeet remene rement remete renege rengen renger rengge rengne renner rennet renren rentee renter rerent reteer reteet retene retent retere reterm retree retret retter t-tree teebee teemer teener teerme teetee teeter tegmen tegner tembre temene temere tenege tenent tengen tenger tenner tennet tenten tenter tereen terene terete termen termer terner terren terrer terret terter tertre tetete tetgen tetter tntnet treben treene treete treget tremet trenet trenne trente tretee trette ttrent