bbbb bbci bbcm bbeb bblb bbrc bcbc bccc bcci bccl bccm bcec bcer bcie bcru bcuc bebb bebe bebi beci becu beeb beel beem beer beic beil beim beir bele beli bell belm belu beme bemu berc bere beri berm berr beru beur bibb bibe bibi bibl bicc bice bici bieb biel bier bieu bile bili bill bilu birb bire biri birl birr biru blcu bleb blee blei blem bleu blic blim blir blme blrc blub blue blum blur bmce bmci bmic bmir bmmi brcb brce breb brec bree brei brel brem brer bric brie bril brim brmc brrm brrr bruc brue brum bubb bube bubi bubu bucc buce buci bucu buel buem buer bueu buic buie buir buiu bulb bule buli bull bulu bum- bumb bur- burb bure buri burl burm burr buru cbbc cbcc cbce cbcl cbcm cbcr cbcu cbec cbee cber cbir cblb cblc cbme cbre cbrl cbrm ccbc cccb cccc ccci cccl cccm cccu ccee ccel ccic ccii ccil ccim ccir cclc ccli cclm ccmb ccmc ccmm ccrc ccre ccri ccrl ccuc cebu cec- cece ceci cecm ceeb ceec ceel ceem ceil ceim cel- celc cele celi cell cemb ceme cemm cemr cemu cer- cerc cere ceri cerl ceui cibc cibe cibi cicc cici cicr cicu ciee ciel cier ciii cili cill cimb cime cimi ciml cimm cimr cirb circ cire ciri cirl cirm cirr ciuc clec clee clei clem cler cleu clib clic clii clim clir clri club clue clum cmbc cmcc cmec cmii cmir cmli cmll cmmb cmmc cmmi cmml cmri cmrr crbc crbu crcc crce crcr cre- creb crec cree crei crem creu crib cric crie crim criu crmb crub crue crum cub- cubb cube cubi cucc cuce cuci cucm cuer cui- cuil cuir culb culc cule cull culm cum- cume curb cure curi curl curr e-cl ebbc ebbr ebcc ebel eber ebic ebli ebru ebul ebur ecbc ecbe eccb eccc ecce ecci eccl eccm ecem ecib ecil ecim ecmi ecrc ecri ecrl ecrm ecrr ecru eeee eele eerc eiec eiei eier eile eime eimi eire el-b elbe elbi elbu elcb elce elec elee elem eler elic elie elil elim elle elli ellu elme elml elue elui elul elum embe embi embr emcc emel emer emeu emic emii emil emim emir emle emlm emme emmi emml emmu emre emul erbb erbe ercc erce ereb erec erei erel erem erer eric erie eril erim eriu erle erli erll ermc erme errc erre erub eruc erum erur eubc eubi euer eule eumc eur- eurc eure i-be ibbm ibec ibie ibim ible ibml ibrc ibri icbc icbm iccb iccc icci iccl iccr iccu icec icee icel icem icer icle icll iclr icmc icme icmi icmm icrc icre icrm icrr icru icub icue iecc ieie iele ieme iere ieri iiie iiii iimc iirc iiuc iium ilbc ilbm ilce ile- ilec iler ilic ilie ilir ill- ille illi ilme ilmr ilre ilrm ilum imbe imbi imcb imci imec imel imer imir imli imme immi imrc imre imri imrr imue irbe irbm ircc ircu iree irel irem irer iri- iric irie iril irlb irmc irrc irre irri irul iucc iuce iuel iuiu lbcc lblr lbmc lcbc lccc lcce lccm lcer lcrl le-u lebu lece leel leem leer leib leic leie leil leir lele leli lell lelu leme lemi lemm lemu lerc lere lerm leuc leur libc libe libr libu lice licr lieb liel lier lieu liii liir lilb lile lili lill lilu limb limc lime limi liml limm limu lirc lire liri lirl lirr liru liue llcc lleu lllc llll lmcc lmii lmmr lric lrmc lrrc lrrr lube luce luci luer lule luli lull lulu lumb lumc lume lumi lure luri mbci mbim mcbc mcbi mccc mcci mccl mcic mcii mcil mcli mcmc mcmi mcml mcrc mcri mebe mec- mecc mece mecr meel meem meer meic meil meir mel- melb melc mele meli mell memc meme meml memr memu mer- merb merc mere meri merl merm meru meum mibc micc mice mici micr miee miel miem mier mieu miii mile mili mill milr milu mim- mime mimi mirc mire miri mirl mirr miru miui mlcc mlii mlle mmcc mmci mmcl mmcm mmic mmii mmli mmmc mmmm mmrc mr-c mrbb mrbm mrcb mrcc mrce mreb mree mrmc mrml mrrc mube mubi muc- mucc muce mucu muee muel muie muil muir mule muli mull mulm mulu mume mumm mumu murc mure muri murl murr muru rbbb rbbr rbcl rble rcbc rccb rccc rcic rcle rebb rebe rebu recc rece reci recm recr recu reeb reel reem reii reil reim reir reiu relb rele rell relm reme remi rere reri reru reue reul reuu rib- ribe ribu ricc rice riel riem rier rieu rile rill rilu rime rimi rimm rimu rire riri riue rlee rleu rlml rmll rrle rrmc rrrr rrum rubb rube rubi rubu ruce ruci ruel ruer rule rull rumb rume rumi ruml rumm rurc rure ruri ruru u-ie ubbe ubbi uber ubic ubii ubir uble ubli ucbc ucci ucel ucil ucmc ucrc ueir uele ueli uell uile uiml uirr ulbc ulcc uleb ulee ulic ulie ulim ulle ulli ullr ulme ulmi ulmu ulul ulum umb- umbe umbi umec umer umri urbe urbi urci ure- urib uric urie urim uriu urle urmi urre urri urum urur uulu uuri uuuu