cccc cccs ccgc ccgs ccgt ccoc ccsg ccss ccst cctc cctt cgcc cgcg cggs cgss cgst ckck ckco ckcs ckgo ckoc ckoo ckos ckot ckso ckst ckts cock coco coct cogo cogs cok- coko cook coos coot cosc coso coss cost cotc coto cots cott cscc csco cscs csks csos csot cstc cstg csto csts ctos ctot ctsc ctss ctts gc-c gccc gccs gcos gcss gcst gctc gcts gggg ggss gogo gogs goog gook goos goot goso goss gost goto gots gott gsoc gsos gtco gtcs gtos k-os kccc kcck kcct kcgc kcgs kckc kckk kcko kcog kcos kcot kcsc kcsg kcss kcst kctc kcto kgcc kggg kggo kgks kgos kgot kgso kgst kgtk kgto kgts kkck kkco kkcs kkct kkgo kkkk kkoo kkot kkss kkst kktc kktk kkts kock kocs koct kogg kogo kogt kokc kokk koko koks kooc koog kook kooo koos koot kos- kosc kosg koso koss kost kotc kotk koto kots kott ksck ksco kscs ksgc ksgg ksgt kskg kskk ksko ksks ksoc ksok ksoo ksos ksso ksss ksst kstc kstk ksto ksts kstt ktcc ktck ktco ktcs ktgg ktgo ktgs ktkc ktkk ktko ktks ktkt ktoc ktok ktoo ktot ktsc ktso ktst kttc kttg kttk ktto ktts kttt occc occt ocks ocos oct- octo octs ogog okgo okko okok okot okso okto oooo ooos oost oots oscc osco osoo osos osso ostc osts oto- otog otok otoo otos otsg otso otto otts s-os sccc sccs scct scgs sck- scog scok scoo scot scsc scso scst sctc scto scts sgcg sggg sggs sgss sgts skog skot skss sock soco socs sogo sogs sokk soko soog sook soos soot soso soss sost sotc sotk soto sots sscc sscs ssgs ssgt ssoc ssot sssc ssss sstc ssts stcc stcs stks stog stok stoo stos stot stss sttc tccc tcos tctc tcts tgcc tgtc tgts tkkg tkos tkts tock toco togo togs togt toko took toos toot tosc tosk toso toss tost totc toto tots tott tscc tscg tsgt tsks tsos tssg tsst tstc tsts ttkg ttss tttt