-ene bbbb bbcm bbeb bbfc bbfn bbrc bcbc bccc bccm bcec bcer bcfc bcfm bcnu bcru bcuc bebb bebe becu beeb beef beem been beer befe beff beme bemu bene benn benu berc bere berm bern berr beru beur bfme bmce bmfc bner bnrr brcb brce breb brec bree bref brem bren brer brfc brfm brfu brmc brrm brrr bruc brue brum brun bubb bube bubu bucc buce bucu buem buen buer bueu bufc bufe buff bufr bum- bumb bumf bunb bune bunn bunu bur- burb bure burm burn burr buru cbbc cbcc cbce cbcm cbcn cbcr cbcu cbec cbee cbef cber cbfb cbfc cbme cbre cbrm cbrn ccbc ccbn cccb cccc cccf cccm cccu ccee ccfc ccff ccmb ccmc ccmm ccnb ccnc ccne ccnf ccnm ccnr ccnu ccrc ccre ccrf ccuc cebu cec- cece cecm ceeb ceec ceem cef- cefc cefn cemb ceme cemm cemr cemu cen- cene cer- cerc cere cerf cern cfbc cfbn cfbr cfcb cfcf cfcm cfcn cffb cffr cfmb cfmu cfnb cfnm cfnr cfrb cfre cfrn cfun cmbc cmcc cmec cmfb cmmb cmmc cmmn cmrn cmrr cnbc cnbm cnrc cnrr crbc crbu crcc crce crcr cre- creb crec cree crem cren creu crfc crmb crmn crne crub crue crum crun cub- cubb cube cucc cuce cucm cucn cuer cufc cuff cum- cume cune curb cure curf curn curr ebbc ebbr ebcc eben eber ebfc ebru ebur ecbc ecbe eccb eccc ecce eccm ecef ecem ecfc ecfr ecne ecrc ecrf ecrm ecrr ecru eeee eefe eefn eerc efbr efen embe embr emcc emcf emcn emen emer emeu emme emmu emne emre enb- enbn enbr ence enee enem ener enfb ennc enne ennu enue enuf enum enur erbb erbe ercc erce ereb erec erem eren erer erfc ermc erme erne errc erre erub eruc erum erur eubc euer eufc eumc eur- eurc eure fccf fcmr fece feeb feem feen feer fefc fefe feff femb feme femm fene fenn ferb ferc fere ferm fern ferr feru ffcc ffee ffff ffrr ffun fnuf frbc frcc frcn free frem fren frfc frmn frub frue frum frun fubb fubu fuc- fucm fufc fuff fufu fumc fume fune funf fur- fure furm furn furr mcbc mccc mcef mcfc mcmc mcrc mebe mec- mecc mece mecr meef meem meen meer mefe meff memc meme memr memu men- menc mene menn menu mer- merb merc mere merf merm mern meru meum mfbm mfcc mmcc mmcm mmen mmff mmmc mmmm mmrc mmrf mmun mnbb mnem mr-c mrbb mrbm mrcb mrcc mrce mreb mree mren mrfc mrmc mrnc mrrc mube muc- mucc muce mucu muee mufc muff mufu mume mumm mumu munc mune munn munu murc mure murn murr muru nbbc nbcc nber nbfc nbuf ncbc nccc nccf nccn nccr nccu ncec ncee ncef ncem ncen ncer ncfc ncfe ncmm ncnc ncrc ncre ncue nebb nebe nebn nebr nebu necc nece necr neeb neef neem neen neer nefe neff nefm nem- neme nemn nemu nene nenu nerc nere nerf nerm nerr neru neuc neue neuf neum neun neur neuu nfcu nfer nfff nm-e nmff nmmc nmrc nnmc nnnn nrem nren nrfc nrrc nubc nube nuce nucu nuee nuer nuff numb nume numm numu nunc nune nunn nurc nure nurn nurr nuru rbbb rbbr rcbc rccb rccc rcfc rcnr rebb rebe rebu recc rece recm recr recu reeb reef reem reen refe reff refn refr refu reme remn rene renn renu rere reru reue reuf reuu rfef rfem rffc rnbr rrfc rrmc rrrr rrum rrun rubb rube rubu ruce ruen ruer rufc rufe ruff rumb rume rumm runc rune runf runn rurc rure ruru ruun ubbe uber ucbc ucfb ucmc ucrc ufcu ufer uffe umb- umbe umec umer umff unbe uncc unce uncf uneb unec unee unef unen uner unmc unmr unne unrf unum urbe ure- urfe urff urne urre urum urun urur uuen uuuu