bbbee bcell be-er bebel beber becel becue beebe beele begee begge begle begue begur belce belec belee beleg belge bellb belle belue belur berbe bercu berec bereg berel berge berle berre berru beuer beule beure bleer blere bleue bluer blurb blure blurr brebu brece breel breer breg- brege bregg brell brere breu- brrrr bruce bruer bruge brugg brule brull bubbe buber buble bucur buell buger bugge bugle bugre bulb- bulge bull- bulle bulul burcu burel burge burgu burle burru buruc cblue ccccc ccell ccrcl ccrel cebec ceber ceele ceere cegge celeb celer cell- celle cerbu cerc- cerce cerec cerer cerge cerre cleer clegg clerc clere clubb clue- cluer clurr crebe crece creel creer cregg crele crell creu- creue creul crrel cruce cruel crule crull crure cubbe cubeb cubel cuber cubub cugel culbe culle cullu culur curce curel curer curle curll curlu curre curug cuuel ebber ebble ebell eberg eberl eblul ebull ebure eccle eeeee eeler egger elegu elele elge elgee elger ellel eller ellul elrec elulu eluru erbbe erber erceg erege erere eucre euell euler eurel eurre gberg gberu gebel geber gebre gebur geere gegge gelee geler gelle gelru gelug gerbe gerce gerle gerre ggulu glebe gleer glegg glele glere glubb gluc- gluer grebe grece grecu greer grege gregg grell grgur grrrl grrrr grubb grube gruel grure gubbe guber gubru guce gucer guclu gucul guell guere gugel gugul guler gulle gurge gurle gurre gurur lebce lebec lebel leber lecce leece leell leere leger legge leleu lelle lerer lerge leuc- leuce leuge llerg lubbe luber luble lubur lucee lucre lucur luger lugge lugre lulec lulle luluc lulul lurer lurgg lurue rebbe rebec rebeg rebel reber recce recue recur reece reege reere regec regel reger regge regle regul regur relee relue rere- reree reuel reuer reule rubee rubel ruber ruble rucer rucul ruegg ruele ruell ruere ruger rugge ruler rurec ruule u-cee ubble uber- uccel uccle ucell uclue uggle ugrug ulcer ulger ulguc ullur ululu uluru urcel urelu urgel urger urubu uruce urucu uuuuu