c-cd cccc cccs ccdc ccds ccoc ccod ccsd ccss ccst cctc cctt cdcs cdos cdot cdss ckck ckco ckcs ckdo ckoc ckoo ckos ckot ckso ckst ckts cock coco coct codd cods cok- coko cood cook coos coot cosc coso coss cost cotc coto cots cott cscc cscd csco cscs csks csos csot cssd cstc cstd csto csts ctos ctot ctsc ctss ctts dccc dccs dcct dcds dcos dcsc dcss dctc dcts dddd ddoc ddot ddss ddts dkdc dock doco docs doct dod- dodd dodo dods doko dood dook doos doot dosk doso doss dost dotd dotk doto dots dott dscc dscs dsos dssc dsst dstc dsto dsts dtcc dtot dtss k-os kccc kccd kcck kcct kcdc kcdd kcds kckc kckk kcko kcos kcot kcsc kcsd kcss kcst kctc kcto kdcc kdcd kdco kddc kddd kddk kdkd kdkk kdko kdkt kdoc kdok kdot kdsc kdsd kdsk kdss kdst kdtd kkcd kkck kkco kkcs kkct kkdc kkdd kkdo kkdt kkkk kkoo kkot kksd kkss kkst kktc kktk kkts kocd kock kocs koct kodk kodo kods kodt kokc kokk koko koks kooc kook kooo koos koot kos- kosc kosd koso koss kost kotc kotd kotk koto kots kott ksck ksco kscs ksdc ksdk ksds kskd kskk ksko ksks ksoc ksok ksoo ksos ksso ksss ksst kstc kstk ksto ksts kstt ktcc ktck ktco ktcs ktdc ktdd ktdk ktdo ktkc ktkk ktko ktks ktkt ktoc ktok ktoo ktot ktsc ktsd ktso ktst kttc kttk ktto ktts kttt occc occt ocds ocks ocos oct- octo octs oddd odds odoo odos odot odso odts okko okok okot okso okto oooo ooos oost oots oscc osco osoo osos ossd osso ostc osts otcd oto- otok otoo otos otso otto otts s-os sccc sccs scct scdc scds sck- scok scoo scot scsc scsd scso scst sctc sctd scto scts sdcc sdco sddc sdds sdot sdsc sdss skot sksd skss sock soco socs sodd sodo sods sokk soko sood sook soos soot soso soss sost sotc sotk soto sots sscc sscs ssdc ssdd ssoc ssot sssc ssss sstc sstd ssts stcc stcs stds stks stod stok stoo stos stot stss sttc sttd tccc tcdd tcos tctc tcts tdss tkod tkos tkts tock toco todd todo tods todt toko tood took toos toot tosc tosk toso toss tost totc totd toto tots tott tscc tsks tsos tsst tstc tsts ttss tttt