cccc cccs ccnc ccnr ccns ccoc ccrc ccrs ccsn ccss ckck ckco ckcs cknc ckns ckoc ckoo ckor ckos ckrc ckso cnco cnrc cnrr cnss cock coco cok- coko con- conc conk conn cono cons cook coon coos cor- corc cork corn coro corr cors cosc coso coss crcc crcr crkc crns croc crok cron croo cror crss cscc csco cscr cscs csks csor csos csrc csrs cssr k-os kccc kcck kccr kckc kckk kckn kcko kckr kcno kcnr kcns kcon kcor kcos kcrc kcrn kcro kcrr kcrs kcsc kcsn kcsr kcss kkck kkcn kkco kkcr kkcs kkkk kknn kkno kkns kkon kkoo kkor kkrc kkrk kkrn kkro kkrr kkrs kksn kksr kkss knck kncn knco kncr knkk knnk knnr knns knoc knok knon knor knrk knro knrs knsc knsk knsn knso knsr knss kock kocn kocs kokc kokk kokn koko kokr koks konc konk kono kooc kook koon kooo koor koos korc kork korn koro korr kors kos- kosc koso kosr koss krcc krcn krco krcs krkc krkk krkn krko krkr krks krnk krnn krno kroc krok kroo kror kros krrc krrk krrn krro krrr krrs krsc krsk krsn krsr krss ksck kscn ksco kscr kscs kskk kskn ksko kskr ksks ksnc ksnk ksnn ksnr ksns ksoc ksok kson ksoo ksor ksos ksrn ksro ksrr ksrs kssn ksso kssr ksss nccc nccn nccr nccs ncnc ncoc ncor ncos ncrc ncsc ncss nkok nkor nnnn nnos nnss nock noco nocs noko non- nonn nono nons noo- nook noon nooo noor noos nor- norc nork norn noro norr nors nos- nosk noss nrcs nroc nron nrrc nrsc nscc nscs nskk nsnr nsok nsos nsrc nssc nsso nssr nsss occc occn ocks ocon ocos ocro ocrr ocrs okko okno okok okon okor okro okso onc- onco onno onon onor onos onsc onso oocr oons oooo ooos orco orcs orko ornc orno orns oro- orok oron oror oros orro orrs orsk orso oscc osco osno osnr osoo osor osos osro osso rccc rccs rcnr rcon rcos rcsc rcss rkos rkss rnco rncs rocc rock roco rocs rokk roko rokr roks ronc ronk rono rons rook roon roor roos rorc rork roro rosc roso ross rrrr rscc rscn rscs rsnn rsno rsnr rsos s-os sccc sccs sck- scnr scok scon scoo scor scr- scrc scrn scrs scsc scsn scso scsr skn- skon skor skss sncc snco snns snoc snoo snor snos snrk snrs sock soco socr socs sokk sokn soko son- sonk sono sons sook soon soor soos sorn soro sorr sors soso soss srcc srnn srno sros sscc sscs ssns ssoc ssrc ssrs sssc ssss