b-tree bbbbbb bebeto beebee beefer beeter before befree befret berbee berbeo berber berceo bereet bereft berere berrer berret bertre betere betete bettee better bettor bobber bobete bobfoc bobote boccob boeber boerre bofete boffet boober booboo bootee booter borbor boreto borfee borore bororo borte botere botero botete botoro botree botter breefe breere breffo brette brocco brocor brocot broter brotto ceecee cerco- cerete cerote certco cetore cobber cobbob cocco- cococo cocto- coerce cofere cofete coffee coffer coffre coo-er coocoo coofer cooter corbet corect cortef corteo cortot cotote cotter crecco creete creote crobot crocco crocer croote ebbert ecobee ecobot ecotec ectro- eebree eerect efecte effect effere effete effoff effore effort efreet efter- eototo erbree eroto- errett etcetc etoeot ettore feeror feetof feofor ferber ferfer feroce ferrer ferret ferro- fertee ferter fetter foboff foerre foeto- foetor foofoo footer forcer forcet forrec forrer forrot fortee forter frbroo freebo freeof freeto frefre frette frobot froofe fterer fterre o-bofe oberto obtect obtree ocreo- octett octree oerter oferre offeet oftfor oofotr oooooo otocec ottoor r-tree re-foc rebbec reboot rebore rebote recoct recore recreo recto- rector reefer reeffe refect refeet refeff refert refete refoot refret refter rerobe reroof reroot retece reteer reteet reteoo retere retore retort retree retret retro- retrot retter robber robeco robert roboto rococo rocoto roofer rooter rootof rootte rorter rotter t-tree tecto- tector teebee teeoff teetee teeter tercer tercet terete terreo terrer terret terror terrot terter tertre tetete tetter tforce to-fro tobeor toboot toccer toetoe toffee tofore toofer tooter tootoo torcec torero torfer tororo torret tortor totebo totoro totrot totter tr-rec trebce treboc trebor treece treeof treete trefet trefor trefot trefte tretee trette troffe trotec trotro trotte