bbbb bbbs bbdd bbdo bblb bbls bcbc bcbs bccc bccl bccs bcds bcos bcsc bcsl bcss bdbc bddc bdls bdos bdsd bldc blkb blkd blls blob bloc blod blok bloo blss bobb bobo bobs bock boco bocs bodb bodo bods boko boks bold bolk boll bolo bols boob booc bood book bool boos bosc bosk boso boss bsbd bscs bsdl bslc bsod bsos bssc bssd c-bo c-cd cbbc cbbs cbcc cbcl cbcs cbdb cbdc cbdo cbds cbkl cbko cblb cblc cbol cbsc ccbc cccb cccc cccl cccs ccdc ccds cclc ccls ccob ccoc ccod ccsd ccsl ccss cdcs cddb cddl cdls cdos cdss ckbc ckck ckcl ckco ckcs ckdo ckob ckoc ckoo ckos cksb cksl ckso clcd cldc clob clod clok cloo clos clsc cobb cobo cobs cock coco codd codl cods cok- coko col- colb cold colk coll colo cols coob cood cook cool coos cosc cosl coso coss cscb cscc cscd cscl csco cscs csdb csks csld csob csos cssd d-bo dbcc dbcs dbls dbos dbss dcbc dccb dccc dccl dccs dcdb dcds dcls dcos dcsc dcss dddd ddlc ddoc ddss dkdc dlbd dlco dlcs dlos dobb dobl dobs dock doco docs dod- dodd dodo dods doko dold dolk doll dolo dols doob dood dook dool doos dosk doso doss dsbc dscc dscs dsls dsos dssc k-lo k-os kbbb kbbc kbbd kbbk kbbl kbbo kbbs kbcb kbck kbcl kbco kbcs kbdb kbdl kbdo kbds kbkb kbkk kbkl kbko kblb kbld kbll kblo kbls kbob kboc kbod kbok kboo kbos kbsb kbsk kbso kbss kcbc kcbd kcbk kcbl kcbs kccb kccc kccd kcck kccl kcdc kcdd kcds kckc kckk kckl kcko kclc kclk kcll kcls kcob kcol kcos kcsb kcsc kcsd kcss kdbb kdbl kdbs kdcc kdcd kdco kddb kddc kddd kddk kddl kdkb kdkd kdkk kdko kdlb kdlc kdld kdll kdlo kdls kdoc kdok kdsc kdsd kdsk kdsl kdss kkbb kkbd kkbl kkbo kkbs kkcb kkcd kkck kkcl kkco kkcs kkdc kkdd kkdl kkdo kkkk kklb kklc kkld kkll kklo kkls kkob kkol kkoo kksd kkss klbb klbc klbd klbl klbs klcb klcc klcd klck klcl klcs kldc kldd klds klkc klkk klkl klko klks kllb kllc kllk klls klob kloc klok klol kloo klos klsc klsd kobb kobc kobk kobo kobs kocb kocd kock kocs kodk kodl kodo kods kokb kokc kokk koko koks kolb kolc kold kolk koll kolo kols koob kooc kook kool kooo koos kos- kosb kosc kosd koso koss ksbc ksbl ksbs kscb ksck kscl ksco kscs ksdc ksdk ksdl ksds kskb kskd kskk ksko ksks kslb kslc ksld kslk ksll kslo ksob ksoc ksok ksol ksoo ksos kssl ksso ksss lbcc lbds lbos lbsc lcbc lccc lccs lcdd lcds lcls lcsc lcsd ldls ldos llbs llcc llcs lldb lldc llds llks lllc llll lloc llod lloo lob- lobb lobo lobs locc lock loco locs lods lokk loko lold loll lolo lols loob looc lood look lool loos losc loso loss lscb lsco lscs lsds lsso obbo obkb obls obok obol obos obsd obss ocbc occc ocds ocks oclc ocos odbo oddd odds odoo odos odso okko oklo okok okol okso olbo olcc oldb olds ollo olos oold oolo oooo ooos oscc oscl osco oslo osoo osos ossb ossd osso s-os sbbs sbcc sbcs sbds sbsd sccc sccl sccs scdc scds sck- sckl scl- sclc sclk scls scob scok scol scoo scsc scsd scsl scso sdcc sdco sddc sdds sdlc sdls sdsc sdsl sdss skol sksd skss slcc slcd slds slob sloc slod sloo slos slsc sobo sobs sock socl soco socs sodd sodo sods sokk soko sold solk soll solo sols sood sook sool soos soso soss sscc sscs ssdc ssdd sslc ssoc sssb sssc ssss