c-cd cccc cccs ccdc ccdr ccds ccoc ccod ccrc ccrs ccsd ccss cd-r cdcs cddr cdos cdrs cdss ckck ckco ckcs ckdo ckoc ckoo ckor ckos ckrc ckrd ckso cock coco codd cods cok- coko cood cook coos cor- corc cord cork coro corr cors cosc coso coss crcc crcr crdc crkc croc crod crok croo cror crss cscc cscd csco cscr cscs csdr csks csor csos csrc csrd csrs cssd cssr dccc dccs dcds dcos dcrk dcsc dcss dddd ddoc ddrc ddss dkdc dock doco docs dod- dodd dodo dods doko dood dook door doos dorc dord dork doro dorr dors dosk doso doss drod drrs dscc dscr dscs dsdr dsos dsrc dsrr dssc k-os kccc kccd kcck kccr kcdc kcdd kcdr kcds kckc kckk kcko kckr kcor kcos kcrc kcro kcrr kcrs kcsc kcsd kcsr kcss kdcc kdcd kdco kdcr kddc kddd kddk kddr kdkd kdkk kdko kdkr kdoc kdok kdro kdrs kdsc kdsd kdsk kdsr kdss kkcd kkck kkco kkcr kkcs kkdc kkdd kkdo kkkk kkoo kkor kkrc kkrk kkro kkrr kkrs kksd kksr kkss kocd kock kocs kodk kodo kods kokc kokk koko kokr koks kooc kook kooo koor koos korc kord kork koro korr kors kos- kosc kosd koso kosr koss krcc krcd krco krcs krdc krdd krdo krdr krds krkc krkd krkk krko krkr krks kroc krod krok kroo kror kros krrc krrk krro krrr krrs krsc krsd krsk krsr krss ksck ksco kscr kscs ksdc ksdk ksdr ksds kskd kskk ksko kskr ksks ksoc ksok ksoo ksor ksos ksro ksrr ksrs ksso kssr ksss occc ocds ocks ocos ocro ocrr ocrs oddd odds odoo odor odos odso okko okok okor okro okso oocr oooo ooos oord orco orcs ordo ords orko oro- orok oror oros orro orrs orsk orso oscc osco osoo osor osos osrd osro ossd osso rccc rccs rcdc rcds rcos rcrd rcsc rcsd rcss rdoc rdos rdso rkos rkss rocc rock roco rocs rodd rodo rods rokk roko rokr roks rood rook roor roos rorc rork roro rosc roso ross rrrr rscc rscs rsdd rsds rsos s-os sccc sccs scdc scds sck- scok scoo scor scr- scrc scrs scsc scsd scso scsr sdcc sdco sddc sdds sdrc sdrs sdsc sdss skor sksd skss sock soco socr socs sodd sodo sods sokk soko sood sook soor soos sord soro sorr sors soso soss srcc sros srsd sscc sscs ssdc ssdd ssoc ssrc ssrs sssc ssss