-tree bbbee bcell be-er be-ro bebel beber beblo bebot becco becel becue becut beebe beele beete beeut belbo belce belec belee belet bellb belle bello belot belue belur belut beote beour berbe bercu berec berel beret berle berlo berob beroe berol beror berre berru berte berto betee betel beter betle betoo betor betou betre bett- bette betto betul beuer beule beure beute bleer bleet blere blete bleue bloor blorb blore blort blote bloto blott bloue blout bluer bluet blurb blure blurr blurt bluto bo-bo bobet boble boboc bobr bobre bocce bocet bocle bocor boece boeol boero boeur bolbe bolel boleo boler bolet boll- bolle bollo bollu bolte bolto booce booco booer boole boore boort booru borbo borce borec boree borel borer boret borle boro- boroo borot borou borre borro borul borut botel botet botou botro botte bottu bouce bouee bouel bouer bouet boul- boulc boule boulo boult boure boute bouto brebu brece breel breer breet brell brelo breo- breoc brere breto brett breu- brobo broce broer brole broll brolo brool broto broue brout brrrr bruce bruer bruet brule brull brute btc-e btr-t bubbe buber buble bucco buceo bucet bucur buell bulb- bull- bulle bulou bulto bulul bulut buolt burcu burel buret burle burol buroo burro burru burte burtt buruc burut butec buteo buter butle buto- butor butot butou butte butuo butut c-cor c-tec cblue ccccc ccell ccett ccrcl ccrel cctrl cebec ceber ceco- ceele ceelo ceere celco celeb celer cell- celle cello celo- celte ceoce ceoor ceorl cerbu cerc- cerce cerco cerec cerer ceret cero- ceroc cerou cerre cerro certe ceto- cette cleco cleer cleet clerc clere clete cleto clett cloob cloor cloot clore clort clote cloue clour clout clubb clue- cluer clurr clute clutt co-bo co-co cobbe coble cobol cobot cobre cobue cocc- cocce cocco coceo cocle cocol cocto cocur coel- coelo coete coeur cole- colee colel coleo coler colet coll- colle collo colo- color colre colur cooee cooer coole coolo coore coote corbe corbo corbu corce core- coree corel corer coreu corlu coro- corol corot corre corrl corte corto cotel coter cotle cott- cotte cotto cottu cotul couco couer coule coull coult courb coure courl court couru couto coutu crebe crece creel creer crele crell creo- creot crete cretu creu- creue creul croce croco croll crooe crool croot crore crote crott croul crout crrel cruce cruel cruet crule crull cruor crure ctree ctrlc ctrol cttee ctulu cubbe cubeb cubel cuber cubo- cubot cubub cuero cueto culbe culet culle cullu culot culto culur cuoco cuore curce curel curer curet curle curll curlo curlu curre curro curto cutco cutcu cutee cuter cutle cutro cutto cuuel ebber ebbet ebble ebell ebelo eberl ebert eblul eboue ebull ebure eccle ecole ecolo ecto- ector ectot eeeee eelco eeler elbot elcor elcot elect eleet elele eleo- eleot eleut ellel eller ellet elloe ellul eloee elole eloor elore eloro elote elout elrec elrob eltro elubo elulu eluru elute eorre erbbe erber ercol erect erere eroor erore eroto errol error errtu erte ertel erter eruct etete etoll etool etoro etour etree ettel etter ettle eturu eubro eucre euell euler eurel euro- eurre lebce lebec lebel leber lebet lecce lecco leece leeco leell leere leert leleu lelle lerer leroc lerot letbe letot letre lette letto letur leuc- leuce leuco leuro lobbe lobbo lobec lober loble lobo- lobor loco- locro loler lollo lolol loobu looce looer loore loote lorel loreo lorer loret lorre lorut lotec lotor lotru lotte lotto louce louer loule loure louro ltcol lubbe luber luble lubur lucee lucet lucre lucur luebo lulec lulle lulte luluc lulul lurer lurue lute- luteo luter lutol lutte lutto o-r-b obbet obele obert obete obole obolo oboro obote oboue obout obreb occur ocelo ocllo ocoee ocote ocr-b ocree octet octo- octol octor ocul- oculo oeco- oelet oerel oerle oleo- olere olleo oller ollur olotu olour oltet oltre oo-er oocre ooooo orbec orble orbot orcet oreco orell oreo- orere orero orlec orlet orobe orobo oroco oroer orolu orout orret orter ortet ortoo orube oruce oruro orutu otcbb otell otelo otere otero otoce otole otolo ototo otour otter ottur otulu oture oubut ouert oullo ouoro ource oure- ourol outer outre outro outto r-co- rcolo rebbe rebec rebel reber rebet rebol rebut recce recco recet rect- recte recto recue recur recut reece reere relee relet rello relot relte relue rere- reree reret rerob retee retel reter retro rette retto reuel reuer reuet reule reute ro-ro robbe robbo robec rober roble robo- robor robot robrt robte robur rocco rocor rocou roell roero roleo rollc rolle rollo rooer roole roore roote rooue rorbu rorer roteb rotel roter rotle roto- rotol rotor rotot rotte rotto roubt rouer rouet roule roull roure route routt rubee rubel ruber ruble rubor rucer rucul ruele ruell ruere ruete ruler rullo rurec ruter rutle rutte rutul ruule ruutu tbolt tbtbt tbutt tcell tcobb teber tebet tecou tectb tecul teele teell telce telco tele- telec teleo teler teleu tell- telle tello telo- teoco teolo teotl terce terco teret tereu teror terre terro tert- teruo tetel teter tetle tetr- tetro tette teuto tlell tlett tllbr to-be tobbe tobel tober tobet tobol tobor tobot tobou tobre tocco toco- tocut toece toerr toeto tolbo toler tolet tolle tollo toloo tolor tolu- toobe toole toolt toore torbe torce torel toreo toret torob torre torro torte torto tortu torue torul totel toter totle toto- totoe totoo totte touel toule toull toure touro toute trboc treco treer treet trele trere trete trett treut troco troee troll trott troue troul trout trubu truce truco truel truer trule trull truro trute ttttt tuber tubo- tubou tubul tucet tuctu tuell tuelt tuero tulce tulet tulle tulor tulou tuotu turbe turbo turbt turco turel turet turle turoc turot turre turro turtu turul turut tutee tutel tuteo tutle tutor tutte tutto tuuru u-cee ubble uber- ubobo ubolt uccel uccle ucell ucero uclue ulcer ulcot ullet ullur ulteo ultre ululu uluru uouee urcel urelu ureo- uroob urour urtel urter urtlu urubu uruce urucu urutu utebo uter- utero utole utro- utror utter uttur utube uturu