b-tree bbbbbb bebeto beebee beefer beeter before befree befret behefe beheft behete behofe behoft behoof behoot behote behror behter berbee berbeo berber bereet bereft berere berhet beroth berrer berret berthe bertre betere betete bethor bettee better bettor bo-hoo bobber bobete bobote boeber boerre bofete boffet bohero boober booboo booher boohoe boohoo bootee booter boothe borbor boreth boreto borfee borore bororo borte botere botero botete bother bothr- botoro botree botter breefe breere breeth breffo brethe brette broter brothe brotto bthree btooth ebbert ebbeth eebree effere effete effoff effore effort efreet efter- efther eototo erbree erfeth eroto- erreth errett ethere ethete etoeot ettore feeror feerth feetof feofor ferber ferfer ferrer ferret ferro- fertee ferter ferthe fether fethre fetter foboff foerre foeto- foetor foofoo foorth footer forher forhoo forrer forrot fortee forter forth- forthe fother frbroo freebo freeof freeth freeto frefre frette frobot froofe fterer fterre hebete heebee heehee heeter heffer hefter hehehe hehheh heorot heort- herber herbet herbor herebo hereft hereof herero hereto herher heroor herter herthe heter- hetero hether hetter hobber hobbet hobert hoebee hoffer hohhot hohoho hoofer hoohoo hooroo hooter hororo horror horter hortor hotbot hotfor hother hotoff hotoro hotter hottot htotoe o-bofe oberth oberto obtree oerter oerthe oferre offeet offthe oftfor ofthee ohohoh ohtobe ohtoto oofotr oohooh oooooo orrho- ortho- otherh ottoor r-tree reboot rebore rebote reefer reeffe refeet refeff refert refete refoot refret refter rehber rehete reothe rerobe reroof reroot reteer reteet reteoo retere rether rethor retore retort retree retret retro- retrot retter rhetor rhobtb robber robert roboto roofer rooter rootof rootte rorter rother rotter t-tree te-hee tebeth teebee teehee teehoo teeoff teerth teetee teeter teethe teothe terete terreo terrer terret terror terrot terter tertre tetete tethee tether tetteh tetter theefe thefoe thefth thehoe theorb theref thero- therof thetee thethe thetoe thoffe thorfe thoro- threet threfe threff threo- threte thrett throte to-fro tobeor toboot toethe toetoe toffee tofore tohere tohoro toofer toohot tooter tootoo torbeh torero torfer tororo toroth torret tortor totebo tothee tother totoro totrot totter trebor treeof treete trefet trefor trefot trefte trehet tretee trette troffe trotro trotte