bbbb bbbs bbch bbhs bblb bbls bcbc bcbs bccc bccl bccs bchs bcos bcsc bcsl bcss bhcc bhhs blhs blls blob bloc bloo blss bobb bobo bobs boch boco bocs bohl boho bohs boll bolo bols boob booc booh bool boos bosc bosh boso boss bscs bshs bslc bsos bssc c-bo cbbc cbbs cbcc cbcl cbcs cbhl cbhs cblb cblc cbol cbsc ccbc cccb cccc cccl cccs cchl cchs cclc ccls ccob ccoc ccsl ccss chch chcs chhs chlc choc choh chol choo chos chsc chsh clhs clob cloo clos clsc cobb cobh cobo cobs coch coco coho cohs col- colb coll colo cols coob cooh cool coos cosc cosh cosl coso coss cscb cscc csch cscl csco cscs cshl cshs csob csos hbbs hbhs hboc hbos hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hhcl hhhh hhhs hlhs hlss hobo hobs hoch hocs hohl hoho hol- holb holc holh holl holo hols hool hoos hosh hoss hsbc hscc hshs hsls hsob lbcc lbhs lbos lbsc lcbc lccc lccs lchc lchs lcls lcsc lhbs lhhh lhhs lhss llbs llcc llcs llhs lllc llll lloc lloo lob- lobb lobh lobo lobs locc loch loco locs loho lohs loll lolo lols loob looc lool loos losc losh loso loss lscb lsco lscs lshs lsoh lsso obbo obhs obls obol obos obss ocbc occc ochs oclc ocos ohcc ohho ohhs ohob ohoh ohos ohso ohss olbo olcc ollo olos olsh ooho oohs oolo oooh oooo ooos oscc oscl osco oshc osho oshs oslo osoo osos ossb osso s-os sbbs sbcc sbcs sbhc sbhs sccc sccl sccs sch- schh schl scho schs scl- sclc scls scob scoh scol scoo scsc scsh scsl scso shbs shcc shhh shhs shl- shls shoo shos shsc slcc slhs slob sloc sloh sloo slos slsc sobo sobs soch socl soco socs sohh sohl soho sohs solh soll solo sols sool soos sosh soso soss sscc sscs sshl sshs sslc ssoc sssb sssc sssh ssss