cccc cccs ccgc ccgs ccoc ccrc ccrg ccrs ccsg ccss cgcc cgcg cggs cgro cgss ckck ckco ckcs ckgo ckoc ckoo ckor ckos ckrc ckso cock coco cogo cogs cok- coko cook coos cor- corc corg cork coro corr cors cosc coso coss cozz crcc crcr crcz crgs crkc croc crok croo cror croz crss cscc csco cscr cscs csks csor csos csrc csrs cssr gc-c gccc gccs gcos gcrg gcss gggg ggss gocr gogo gogs goog gook goor goos gorg goro gorr gors gorz goso goss gozo grcc groc grog grok groo gror gros grrr grrs grss gsoc gsos gzsz k-os kccc kcck kccr kcgc kcgr kcgs kckc kckk kcko kckr kckz kcog kcor kcos kcoz kcrc kcrg kcro kcrr kcrs kcrz kcsc kcsg kcsr kcss kczo kczz kgcc kgcr kggg kggo kggr kgks kgor kgos kgoz kgrc kgrg kgrk kgro kgrr kgrs kgrz kgso kgsr kkck kkco kkcr kkcs kkgo kkgr kkkk kkoo kkor kkoz kkrc kkrk kkro kkrr kkrs kkrz kksr kkss kkzz kock kocs kogg kogo kokc kokk koko kokr koks kokz kooc koog kook kooo koor koos kooz korc korg kork koro korr kors kos- kosc kosg koso kosr koss kosz kozk kozo kozr krcc krcg krco krcs krgs krkc krkk krko krkr krks krkz kroc krog krok kroo kror kros kroz krrc krrg krrk krro krrr krrs krrz krsc krsk krsr krss krzk krzr krzs krzz ksck ksco kscr kscs ksgc ksgg ksgr kskg kskk ksko kskr ksks kskz ksoc ksok ksoo ksor ksos ksrg ksro ksrr ksrs ksrz ksso kssr ksss kssz kszr kzcr kzgo kzgz kzkr kzks kzkz kzoo kzor kzoz kzrc kzrg kzrk kzro kzrr kzrs kzrz kzsc kzzk kzzo kzzr kzzs kzzz occc ocks ocos ocro ocrr ocrs ogog ogro okgo okko okok okor okro okso oocr oooo ooos orco orcs orgo orgs orko oro- orok oror oros oroz orro orrs orsk orso orzk orzo oscc osco osoo osor osos osro osso rccc rccs rcgc rcos rcrg rcsc rcss rkos rkss rocc rock roco rocs rogg rogo rokk roko rokr roks roog rook roor roos rooz rorc rork roro rosc roso ross rozz rrrr rscc rscs rsgc rsos s-os sccc sccs scgs sck- scog scok scoo scor scr- scrc scrs scsc scso scsr sgcg sgcz sggg sggs sgro sgss skog skor skss sock soco socr socs sogo sogs sokk soko soog sook soor soos sorg soro sorr sors soso soss soz- srcc sros sscc sscs ssgs ssoc ssrc ssrg ssrs sssc ssss szoc szss z-ro zcgk zoco zogg zogo zoo- zook zoos zorc zorg zork zoro zors zoso zoss zozo zsss zzzs zzzz