b-tree bbbbbb bebeto bebout becure beebee beefer beeter before beforu befour befree befret berbee berbeo berber berceo bereet bereft berere berour berrer berret bertre berube betere betete betrue bettee better bettor betutu beurre bobber bobcut bobete bobfoc bobote boccob boeber boerre bofete boffet boober booboo bootee booter booue borbor boreto borfee borore bororo borte botere botero botete botoro botree botter boture boubou boueer boufee bouffe bouree bourou bourre boutef bouter boutet boutob boutre boutte breefe breere breffo bretcu brette bretuo breuer brocco brocor brocot broter brotto brouet broute brubru brufut bruree brutto bubber bububu bucco- buffer buffet burbet burbot burbur burcer burcot burfee burotu burree burrer burret burutu butbro butere butter buttto butucu buutuo c-cube ceecee cerco- cerete cerote certco ceruce cetore cobber cobbob cocco- cococo cocto- coerce cofere cofete coffee coffer coffre coo-er coocoo coofer cooter corbet corect corour cortef corteo cortot coruco coruro cotote cotter couffe courbe courbu cource couret courr- couter crecco creete creote crobot crocco crocer croote croute cruro- cubber cubero cubert cubube cucube cucurb cuffee cuffer curber curete curfur curour currer curret curror curter curtoe cururo cutcut cutoff cutout cuttee cutter cuttoe cuttoo e-four ebbert ebbout eburru ecobee ecobot ecotec ecourt ecoute ectro- eebree eerect efecte effect effere effete effoff effore effort effutu efreet efter- eototo erbree erfurt eroto- errett errour etcetc etoeot ettore ettutu eucort euroto eururo eutere euttob feeror feetof feofor ferber ferfer feroce ferrer ferret ferro- ferrur fertee ferter fetter feture feuter foboff foerre foeto- foetor foofoo foofur footer forcer forcet forcut forout forrec forrer forrot fortee forter forure foufou fourbe fourcc fource fourer fourof fourou fourto fouter foutre frbroo freebo freeof freeto frefre frette freure frobot froofe frucor fructe fterer fterre fuerte fufore furber furfur furore furour furrer furrfu futret futter future futuro o-bofe oberto obrute obtect obtree obturb occour occure ocourt ocreo- octett octree octuor oerter oferre offcut offeet offutt oftfor oofotr oooooo orcure orcutt orrour otocec ottoor ouerre ouffet out-be outcut outfor outour outreb outter outtro r-tree re-foc rebbec rebeuc reboot rebore rebote rebour rebuff rebute recoct recore recour recreo recrue recto- rector recuer recurb recure recurt reefer reeffe refect refeet refeff refert refete refoot refret refter refuce refurb refute rerobe reroof reroot retece reteer reteet reteoo retere retore retort retour retree retret retro- retrot retter rettur retube returf returu reuere reuour reuter reutte robber robeco robert roboto rococo rocoto roofer rooter rootof rootte rorter rotour rotout rotrou rotter roture roucou rouffe router routot rubbee rubber rubbot ruboff rubout rubro- rubutu rufete ruffec ruffer ruffet rufter ruocco rurutu rutour ruttee rutter rutube t-tree t-tube tecto- tector teebee teeoff teetee teeter terbuf tercer tercet terete terreo terrer terret terror terrot terrou terter tertre tetete tetter teucer tforce to-cut to-fro tobeor toboot toccer toeout toetoe toffee tofore toofer tooter tootoo torcec torero torfer torfou tororo torret tortor tortou tortue totebo totoro totrot totter tou-fu toubbe toufee touffe tourbe tourer touret tourou tourte touter toutou toutuo tr-rec trebce treboc trebor trebur treece treeof treete trefet trefor trefot trefte tretee trette treuce trofeu troffe trotec trotro trotte trucco trueto truett trufte tubber tubboe tuffet tufter tuorbe tuotuo turbet turbo- turbot turfer turret turtur turucu tururu tuteur tutour tutter tuttut u-boot u-tube uberto ubetoo uforce ufreet urecco ureter urette urouer uroure uruffe utero- uteute utroor