bbbee bcell be-er be-ro bebel beber beblo becco becel becue beebe beele belbo belce belec belee bellb belle bello belue belur beour berbe bercu berec berel berle berlo berob beroe berol beror berre berru beuer beule beure bleer blere bleue bloor blorb blore bloue bluer blurb blure blurr bo-bo boble boboc bobr bobre bocce bocle bocor boece boeol boero boeur bolbe bolel boleo boler boll- bolle bollo bollu booce booco booer boole boore booru borbo borce borec boree borel borer borle boro- boroo borou borre borro borul bouce bouee bouel bouer boul- boulc boule boulo boure brebu brece breel breer brell brelo breo- breoc brere breu- brobo broce broer brole broll brolo brool broue brrrr bruce bruer brule brull bubbe buber buble bucco buceo bucur buell bulb- bull- bulle bulou bulul burcu burel burle burol buroo burro burru buruc c-cor cblue ccccc ccell ccrcl ccrel cebec ceber ceco- ceele ceelo ceere celco celeb celer cell- celle cello celo- ceoce ceoor ceorl cerbu cerc- cerce cerco cerec cerer cero- ceroc cerou cerre cerro cleco cleer clerc clere cloob cloor clore cloue clour clubb clue- cluer clurr co-bo co-co cobbe coble cobol cobre cobue cocc- cocce cocco coceo cocle cocol cocur coel- coelo coeur cole- colee colel coleo coler coll- colle collo colo- color colre colur cooee cooer coole coolo coore corbe corbo corbu corce core- coree corel corer coreu corlu coro- corol corre corrl couco couer coule coull courb coure courl couru crebe crece creel creer crele crell creo- creu- creue creul croce croco croll crooe crool crore croul crrel cruce cruel crule crull cruor crure cubbe cubeb cubel cuber cubo- cubub cuero culbe culle cullu culur cuoco cuore curce curel curer curle curll curlo curlu curre curro cuuel ebber ebble ebell ebelo eberl eblul eboue ebull ebure eccle ecole ecolo eeeee eelco eeler elcor elele eleo- ellel eller elloe ellul eloee elole eloor elore eloro elrec elrob elubo elulu eluru eorre erbbe erber ercol erere eroor erore errol error eubro eucre euell euler eurel euro- eurre lebce lebec lebel leber lecce lecco leece leeco leell leere leleu lelle lerer leroc leuc- leuce leuco leuro lobbe lobbo lobec lober loble lobo- lobor loco- locro loler lollo lolol loobu looce looer loore lorel loreo lorer lorre louce louer loule loure louro lubbe luber luble lubur lucee lucre lucur luebo lulec lulle luluc lulul lurer lurue o-r-b obele obole obolo oboro oboue obreb occur ocelo ocllo ocoee ocr-b ocree ocul- oculo oeco- oerel oerle oleo- olere olleo oller ollur olour oo-er oocre ooooo orbec orble oreco orell oreo- orere orero orlec orobe orobo oroco oroer orolu orube oruce oruro oullo ouoro ource oure- ourol r-co- rcolo rebbe rebec rebel reber rebol recce recco recue recur reece reere relee rello relue rere- reree rerob reuel reuer reule ro-ro robbe robbo robec rober roble robo- robor robur rocco rocor rocou roell roero roleo rollc rolle rollo rooer roole roore rooue rorbu rorer rouer roule roull roure rubee rubel ruber ruble rubor rucer rucul ruele ruell ruere ruler rullo rurec ruule u-cee ubble uber- ubobo uccel uccle ucell ucero uclue ulcer ullur ululu uluru uouee urcel urelu ureo- uroob urour urubu uruce urucu uuuuu