b-tree bbbbbb beebee beebug beegee beeter begger behete behter berbee berber bereet berege berere berger berhet berrer berret berthe bertre berube betere betete betrue bettee better betutu beurre breege breere breeth breger bregge brethe brette breuer brubru brugge brughe brught bruree bthree bubber bububu bugbug bugger bugget bugher buhrer burbet burbur buregh burgee burger burree burrer burret burutu butere butter butthe ebbert ebbeth ebughu eburru eebree egbere egbert eggert erbree erreth errett etgert ethere ethete ettutu eutere g-tube gbegbe gebbet gebert geegee gegger gerber gerege gerehu gereut gerger gerret gerthe gertte geruge gether getter gheber ghebre greete greger gregge gregre greter grethe grette grubbe gruber grugru gteter gubber gubeer gubgub gueber guebre guegue guerre guetre gurbru gurugu guttee gutter guttur hebbur heberg hebete heebee heeger heehee heeter hehehe hehheh herber herbet herge herger herget herher herter herthe heter- hether hetter heurte heutte hhgttg htruth hubber hubbub hubert hububb hueber huetre hugger huguet huh-uh hurrer hurter hurth huthur huthut hutter r-tree rebute regehr regret regueb rehber rehete reheur reteer reteet retere rether retree retret retter rettur retube returu reuere reurge reuter reuthe reutte rubbee rubber rubutu rugetu rugger rurutu rutger ruther ruttee rutter rutube t-tree t-tube te-hee tebeth teebee teehee teerth teetee teeter teethe tegher teghut terete terrer terret terter tertre tetete tethee tether tetteh tetter thebug theegg thehub thehue therub thetee thethe thettu thgttg threeg threet threte thrett thrugh thught thurgh thurte trebur treete treget trehet tretee trette treuth trueth truett tubber tugger tugrug turbeh turbet turbhe turgut turret turtur tururu tuteur tuther tutter tuttut u-tube uh-huh ureter urette urgeth urughu uteute