bbbb bbcm bblb bcbc bccc bccl bccm blob bloc blom bloo bmoc bobb bobo bocm boco boll bolm bolo bomb boob booc bool boom c-bo cbbc cbcc cbcl cbcm cblb cblc cbol ccbc cccb cccc cccl cccm cclc cclm ccmb ccmc ccmm ccob ccoc ccom clob clom cloo cmbc cmcc cmll cmmb cmmc cmml cmoc cobb cobo coco col- colb coll colm colo com- comb comc coml comm como coob cool coom lbcc lbmc lcbc lccc lccm llcc lllc llll lloc lloo lmbo lmcc lob- lobb lobo locc loco loll lolo lomb lomm lomo loob looc lool loom mcbc mccc mccl mcmc mcml mlcc mmcc mmcl mmcm mmmc mmmm mobb mobo mocl moco moll molo momo moob mooc mool obbo obol ocbc occc oclc ocml ocom olbo olcc ollo olmo olom ombo omo- omoo oolo oooo