bbbb bbch bbcm bblb bcbc bccc bccl bccm bhcc blob bloc blom bloo bmoc bobb bobo boch bocm boco bohl bohm boho boll bolm bolo bomb boob booc booh bool boom c-bo cbbc cbcc cbcl cbcm cbhl cblb cblc cbol ccbc cccb cccc cccl cccm cchl cclc cclm ccmb ccmc ccmm ccob ccoc ccom chch chcm chlc chmb chmc chml chmo choc choh chol choo clob clom cloo cmbc cmcc cmhc cmll cmmb cmmc cmml cmoc cobb cobh cobo coch coco coho col- colb coll colm colo com- comb comc coml comm como coob cooh cool coom hboc hcbc hccb hccc hcch hclm hcmc hcmm hhcl hhhh hlcm hmhb hmmm hobo hoch hohl hohm hoho hol- holb holc holh holl holm holo hom- homo hool hoom lbcc lbmc lcbc lccc lccm lchc lhhh llcc lllc llll lloc lloo lmbo lmcc lob- lobb lobh lobo locc loch loco loho loll lolo lomb lomm lomo loob looc lool loom mbhl mcbc mccc mccl mcmc mcml mhmm mlcc mmcc mmcl mmcm mmhl mmhm mmmc mmmh mmmm mobb mobo moch mocl moco mohl mohm moho moll molo momo moob mooc mool obbo obol ocbc occc oclc ocml ocom ohcc ohho ohob ohoh olbo olcc olhm ollo olmo olom ombo omo- omoo ooho oolo oooh oooo