bbbb bbcm bblb bcbc bccc bccl bccm blkb blob bloc blok blom bloo bmoc bobb bobo bock bocm boco boko bolk boll bolm bolo bomb boob booc book bool boom c-bo cbbc cbcc cbcl cbcm cbkl cbkm cbko cblb cblc cbol ccbc cccb cccc cccl cccm cckm cclc cclm ccmb ccmc ccmm ccob ccoc ccom ckbc ckck ckcl ckcm ckco cklm ckml ckmo ckob ckoc ckom ckoo clob clok clom cloo cmbc cmcc cmll cmmb cmmc cmml cmoc cobb cobo cock coco cok- coko col- colb colk coll colm colo com- comb comc coml comm como coob cook cool coom k-lo kbbb kbbc kbbk kbbl kbbm kbbo kbcb kbck kbcl kbco kbkb kbkk kbkl kbko kblb kbll kblm kblo kbmb kbmc kbmo kbob kboc kbok kboo kcbc kcbk kcbl kccb kccc kcck kccl kckc kckk kckl kckm kcko kclc kclk kcll kclm kcmb kcmc kcmk kcml kcmm kcmo kcob kcol kcom kkbb kkbl kkbo kkcb kkck kkcl kkcm kkco kkkk kklb kklc kkll kklo kkmc kkmk kkml kkmo kkob kkol kkoo klbb klbc klbl klbm klcb klcc klck klcl klcm klkc klkk klkl klko kllb kllc kllk klmk klmm klob kloc klok klol kloo kmbc kmbl kmcb kmcc kmcl kmcm kmco kmkk kmkl kmko kmlb kmlk kmlo kmmk kmml kmmm kmmo kmob kmoc kmok kmom kobb kobc kobk kobo kocb kock kocm kokb kokc kokk koko kolb kolc kolk koll kolm kolo komb komc komo koob kooc kook kool kooo lbcc lbmc lcbc lccc lccm llcc lllc llll lloc lloo lmbo lmcc lob- lobb lobo locc lock loco lokk loko loll lolo lomb lomm lomo loob looc look lool loom mcbc mccc mccl mckk mcmc mcml mlcc mmcc mmcl mmcm mmmc mmmm mobb mobo mock mocl moco moko molk moll molo momo moob mooc mook mool obbo obkb obok obol ocbc occc oclc ocml ocom okko oklo okmo okok okol okom olbo olcc ollo olmo olom ombo omo- omoo oolo oooo