bbbb bbbs bbdd bbdo bcbc bcbs bccc bccs bcds bcos bcsc bcss bdbc bddc bdos bdsd bobb bobo bobs bock boco bocs bodb bodo bods boko boks boob booc bood book boos bosc bosk boso boss bsbd bscs bsod bsos bssc bssd c-bo c-cd cbbc cbbs cbcc cbcs cbdb cbdc cbdo cbds cbko cbsc ccbc cccb cccc cccs ccdc ccds ccob ccoc ccod ccsd ccss cdcs cddb cdos cdss ckbc ckck ckco ckcs ckdo ckob ckoc ckoo ckos cksb ckso cobb cobo cobs cock coco codd cods cok- coko coob cood cook coos cosc coso coss cscb cscc cscd csco cscs csdb csks csob csos cssd d-bo dbcc dbcs dbos dbss dcbc dccb dccc dccs dcdb dcds dcos dcsc dcss dddd ddoc ddss dkdc dobb dobs dock doco docs dod- dodd dodo dods doko doob dood dook doos dosk doso doss dsbc dscc dscs dsos dssc k-os kbbb kbbc kbbd kbbk kbbo kbbs kbcb kbck kbco kbcs kbdb kbdo kbds kbkb kbkk kbko kbob kboc kbod kbok kboo kbos kbsb kbsk kbso kbss kcbc kcbd kcbk kcbs kccb kccc kccd kcck kcdc kcdd kcds kckc kckk kcko kcob kcos kcsb kcsc kcsd kcss kdbb kdbs kdcc kdcd kdco kddb kddc kddd kddk kdkb kdkd kdkk kdko kdoc kdok kdsc kdsd kdsk kdss kkbb kkbd kkbo kkbs kkcb kkcd kkck kkco kkcs kkdc kkdd kkdo kkkk kkob kkoo kksd kkss kobb kobc kobk kobo kobs kocb kocd kock kocs kodk kodo kods kokb kokc kokk koko koks koob kooc kook kooo koos kos- kosb kosc kosd koso koss ksbc ksbs kscb ksck ksco kscs ksdc ksdk ksds kskb kskd kskk ksko ksks ksob ksoc ksok ksoo ksos ksso ksss obbo obkb obok obos obsd obss ocbc occc ocds ocks ocos odbo oddd odds odoo odos odso okko okok okso oooo ooos oscc osco osoo osos ossb ossd osso s-os sbbs sbcc sbcs sbds sbsd sccc sccs scdc scds sck- scob scok scoo scsc scsd scso sdcc sdco sddc sdds sdsc sdss sksd skss sobo sobs sock soco socs sodd sodo sods sokk soko sood sook soos soso soss sscc sscs ssdc ssdd ssoc sssb sssc ssss