bbbb bbeb bblb bcbc bccc bccl bcec bcvo bebb bebe bebo beck beeb beek beel beke beko bele belk bell belo beo- beok bevo bleb blee blek bleo blkb blob bloc blok bloo bobb bobe bobo boce bock boco boec boee boel boeo boke boko bole bolk boll bolo boob booc booe book bool bove bovo c-bo cbbc cbcc cbce cbcl cbec cbee cbkl cbko cblb cblc cbol cbvb cbve ccbc cccb cccc cccl cccv ccee ccel cclc cclv ccob ccoc ccvo cec- cece ceco ceeb ceec ceel ceke cel- celc cele cell celo ceol cevo ckbc ckbe ckck ckcl ckco ckcv ckob ckoc ckoo ckvl ckvo clec clee clek cleo clob cloe clok cloo cobb cobe cobo coce cock coco coel cok- coke coko col- colb cole colk coll colo coob cook cool cove covo cvcc e-cl ebbc ebbo ebcc ebel eboe ebol eboo ecbc ecbe eccb eccc ecce eccl ecco ecko eco- ecol eeee eeke eele eelv eeoc ekco ekeb ekek el-b elbe elbo elcb elce elco elec elee elek eleo elev elke elko elle ello elok elve elvo eole eolo evel evoe evol evoo evvk k-lo kbbb kbbc kbbe kbbk kbbl kbbo kbcb kbce kbck kbcl kbco kbeb kbec kbee kbek kbel kbeo kbev kbkb kbkk kbkl kbko kbkv kblb kble kbll kblo kblv kbob kboc kboe kbok kboo kbov kbvb kbvc kbvo kcbc kcbk kcbl kccb kccc kcck kccl kccv kceb kcec kcee kcel kceo kckc kckk kckl kcko kckv kclc kcle kclk kcll kclv kcob kcoe kcol kcvk kcvl kcvo kcvv kebb kebc kebe keck keco keek keel kekb kekc keke kekl keko kele kelk kell kelo keok keol keve kkbb kkbe kkbl kkbo kkcb kkck kkcl kkco kkkk kklb kklc kkll kklo kklv kkob kkol kkoo kkov kkvv klbb klbc klbe klbl klcb klcc klce klck klcl kleb klec klee klek kleo klkc klkk klkl klko klkv kllb kllc klle kllk kllv klob kloc kloe klok klol kloo klov klvb klve klvk klvl klvo klvv kobb kobc kobe kobk kobo kocb kock koel kokb kokc koke kokk koko kolb kolc kole kolk koll kolo kolv koob kooc kook kool kooo koov kovc kove kovk kovo kvbc kvbl kvcb kvcc kvce kvck kvcl kvco kvcv kvec kvel kvkl kvlb kvlc kvle kvlo kvlv kvob kvoc kvoe kvok kvol kvoo kvov kvvl kvvv lbcc lcbc lccc lcce lebo lece leck leco leek leel leke lekk leko lele lell lelo leoc leok leov lev- levc leve levo llcc lllc llll lloc lloo lo-v lob- lobb lobe lobo locc loce lock loco loeb loke lokk loko lole loll lolo loob looc looe look lool love lovo lvcc lvov o-eo obbo obec obel obkb oble oboe obok obol ocbc occc oce ocee ocke oclc oec- oecc oeec oele okko oklo okok okol olbo olcc ole- oleo olev olle ollo olov oobe oolo oooo ovee ovo- ovol ovoo vbcc vecc veck veel veke vel- vele vell velo veol veve vevo vlcc vloc vlok voce voel voke volc vole volk voll volo vooc vool vovk vvob vvvv