cccc cccl cccs cclc ccls ccoc ccrc ccrl ccrs ccsl ccss ckck ckcl ckco ckcs ckoc ckoo ckor ckos ckrc cksl ckso clok cloo clor clos clro clrs clsc cock coco cok- coko col- colk coll colo cols cook cool coos cor- corc cork corl coro corr cors cosc cosl coso coss crcc crcr crkc crkl crls croc crok crol croo cror crss cscc cscl csco cscr cscs csks cslr csor csos csrc csrs cssr k-lo k-os kccc kcck kccl kccr kckc kckk kckl kcko kckr kclc kclk kcll kclr kcls kcol kcor kcos kcrc kcro kcrr kcrs kcsc kcsr kcss kkck kkcl kkco kkcr kkcs kkkk kklc kkll kklo kkls kkol kkoo kkor kkrc kkrk kkrl kkro kkrr kkrs kksr kkss klcc klck klcl klcr klcs klkc klkk klkl klko klkr klks kllc kllk klls kloc klok klol kloo klor klos klrc klrk klrr klrs klsc klsr kock kocs kokc kokk koko kokr koks kolc kolk koll kolo kolr kols kooc kook kool kooo koor koos korc kork korl koro korr kors kos- kosc koso kosr koss krcc krcl krco krcs krkc krkk krko krkr krks krlc kroc krok krol kroo kror kros krrc krrk krrl krro krrr krrs krsc krsk krsl krsr krss ksck kscl ksco kscr kscs kskk ksko kskr ksks kslc kslk ksll kslo kslr ksoc ksok ksol ksoo ksor ksos ksro ksrr ksrs kssl ksso kssr ksss lccc lccs lcls lcor lcrl lcrs lcsc lcsr lkrs llcc llcs llks lllc llll lloc lloo locc lock loco locs lokk loko loll lolo lols looc look lool loor loos lork loro lors losc loso loss lrcs lroc lrrc lrrr ls-r lsco lscs lsrc lsso lssr occc ocks oclc ocos ocrl ocro ocrr ocrs okko oklo okok okol okor okro okso olcc ollo olor olos oocr oolo oooo ooos orco orcs orko orlo oro- orok oror oros orro orrs orsk orso oscc oscl osco oslo osoo osor osos osro osso rccc rccs rcls rcos rcsc rcsl rcss rkos rkss rlcs rlls rocc rock roco rocs rokk roko rokr roks rolk roll rolo rook rool roor roos rorc rork roro rosc roso ross rrrr rscc rscs rslc rsos rssl s-os sccc sccl sccs sck- sckl scl- sclc sclk scls scok scol scoo scor scr- scrc scrs scsc scsl scso scsr skol skor skss slcc sloc sloo slos slrc slrs slsc sock socl soco socr socs sokk soko solk soll solo solr sols sook sool soor soos soro sorr sors soso soss srcc sros sscc sscs sslc ssoc ssrc ssrl ssrs sssc ssss