bbbb bbci bbeb bblb bbrc bcbc bccc bcci bccl bcec bcer bcie bcru bcuc bebb bebe bebi beci becu beeb beel beer beic beil beir bele beli bell belu berc bere beri berr beru beur bibb bibe bibi bibl bicc bice bici bieb biel bier bieu bile bili bill bilu birb bire biri birl birr biru bive bivi bivl blcu bleb blee blei bleu blic blir blrc blub blue blur brcb brce breb brec bree brei brel brer brev bric brie bril brrr bruc brue bruv brvi bubb bube bubi bubu bucc buce buci bucu buel buer bueu buic buie buir buiu bulb bule buli bull bulu bur- burb bure buri burl burr buru buve cbbc cbcc cbce cbcl cbcr cbcu cbec cbee cber cbir cblb cblc cbre cbrl cbvb cbve cbvr ccbc cccb cccc ccci cccl cccu cccv ccee ccel ccic ccii ccil ccir cciv cclc ccli cclv ccrc ccre ccri ccrl ccuc ccvi cebu cec- cece ceci ceeb ceec ceel ceil cel- celc cele celi cell cer- cerc cere ceri cerl ceui cibc cibe cibi cicc cici cicr cicu ciee ciel cier ciii cili cill cilv cirb circ cire ciri cirl cirr ciuc civc cive clec clee clei cler cleu clib clic clii clir cliv clri clrv club clue clvi crbc crbu crcc crce crcr cre- creb crec cree crei creu crib cric crie criu crub crue cub- cubb cube cubi cucc cuce cuci cuer cui- cuil cuir culb culc cule cull curb cure curi curl curr cuve cvcc cver cvii cvrr e-cl ebbc ebbr ebcc ebel eber ebic ebli ebru ebul ebur ecbc ecbe eccb eccc ecce ecci eccl ecib ecil ecrc ecri ecrl ecrr ecru ecrv eeee eele eelv eerc eiec eiei eier eile eire el-b elbe elbi elbu elcb elce elec elee eler elev elic elie elil elle elli ellu elue elui elul elve erbb erbe ercc erce ereb erec erei erel erer erev eric erie eril eriu erle erli erll errc erre erub eruc erur eruv erve ervi eubc eubi euer eule eur- eurc eure evel ever evie evil evir evli evre i-be ibec ibie ible ibrc ibri icbc iccb iccc icci iccl iccr iccu icec icee icel icer icle icll iclr icrc icre icrr icru icub icue iecc ieie iele iere ieri iiie iiii iirc iiuc ilbc ilce ile- ilec iler ilic ilie ilir ill- ille illi ilre iluv irbe ircc ircu iree irel irer iri- iric irie iril irlb irrc irre irri irul iucc iuce iucv iuel iuiu ivbv ivec ivel iver ivic ivie ivre ivue lbcc lblr lcbc lccc lcce lcer lcrl lcrv le-u lebu lece leel leer leib leic leie leil leir leiv lele leli lell lelu lerc lere leuc leur lev- levc leve levi libc libe libr libu lice licr lieb liel lier lieu liev liii liir liiv lilb lile lili lill lilu lirc lire liri lirl lirr liru liue live livi llcc lleu lllc llll lric lrrc lrrr lube luce luci luer lule luli lull lulu lure luri lurv luve lvcc lvii lviv lvrr rbbb rbbr rbcl rble rcbc rccb rccc rcic rcle rcuv rcvr rebb rebe rebu recc rece reci recr recu reeb reel reev reii reil reir reiu relb rele rell rere reri reru reue reul reuu reve revi rib- ribe ribu ricc rice riel rier rieu rile rill rilu rire riri riue rive rlee rleu rrle rrrr rubb rube rubi rubu ruce ruci ruel ruer rule rull rurc rure ruri ruru ruve ruvi ruvu rv-c rver u-ie ubbe ubbi uber ubic ubii ubir uble ubli ucbc ucci ucel ucil ucrc ueir uele ueli uell uile uirr ulbc ulcc uleb ulee ulic ulie ulle ulli ullr ulul ulvi urbe urbi urci ure- urib uric urie uriu urle urre urri urur urve uulu uuri uuuu uv-b uv-c uvel uver uvic uvri uvvu vbcc vcbi vcci vecc veci veel veer veie veii veil veir vel- vele veli vell velu ver- verb vere veri verl veur veve vevi vibe vic- vice vici viel vier vieu viii vile vili vill vilu virb virc vire viri virl virr viru viue vive vivi vlcc vlci vlei vlie vlli vrbl vrci vril vuel vuir vull vurb vver vvvv