cccc cccs ccnc ccns ccoc ccsn ccss ccst cctc cctt ckck ckco ckcs cknc ckns cknt ckoc ckoo ckos ckot ckso ckst ckts cnco cnss cntc cntk cock coco coct cok- coko con- conc conk conn cono cons cont cook coon coos coot cosc coso coss cost cotc cotn coto cots cott cscc csco cscs csks csos csot cstc csto csts ctns ctos ctot ctsc ctsn ctss cttn ctts k-os kccc kcck kcct kckc kckk kckn kcko kcno kcns kcnt kcon kcos kcot kcsc kcsn kcss kcst kctc kctn kcto kkck kkcn kkco kkcs kkct kkkk kknn kkno kkns kknt kkon kkoo kkot kksn kkss kkst kktc kktk kkts knck kncn knco knct knkk knkt knnk knns knoc knok knon knot knsc knsk knsn knso knss knst kntk kntn knto knts kock kocn kocs koct kokc kokk kokn koko koks konc konk kono kont kooc kook koon kooo koos koot kos- kosc koso koss kost kotc kotk kotn koto kots kott ksck kscn ksco kscs kskk kskn ksko ksks ksnc ksnk ksnn ksns ksnt ksoc ksok kson ksoo ksos kssn ksso ksss ksst kstc kstk kstn ksto ksts kstt ktcc ktck ktco ktcs ktkc ktkk ktkn ktko ktks ktkt ktnc ktnk ktnn ktno ktns ktnt ktoc ktok kton ktoo ktot ktsc ktsn ktso ktst kttc kttk kttn ktto ktts kttt nccc nccn nccs ncct ncnc ncoc ncos ncsc ncss ncst nctc nknt nkok nnnn nnos nnot nnss nntn nock noco nocs noct noko non- nonn nono nons nont noo- nook noon nooo noos noot nos- nosk noss nost not- noto nots nott nscc nscs nskk nsok nsos nssc nsso nsss nstc nsts ntcc ntsc ntss ntto occc occn occt ocks ocon ocos oct- octo octs okko okno okok okon okot okso okto onc- onco onct onno onon onos onsc onso onst ont- ontc onto oons oont oooo ooos oost oots oscc osco osno osoo osos osso ostc osts oto- otok oton otoo otos otso otto otts s-os sccc sccs scct sck- scnt scok scon scoo scot scsc scsn scso scst sctc sctn scto scts skn- skon skot skss sncc snco snns snoc snoo snos snot sock soco socs sokk sokn soko son- sonk sono sons sont sook soon soos soot soso soss sost sotc sotk sotn soto sots sscc sscs ssns ssoc ssot sssc ssss sstc ssts stcc stcs stks stnn stns stok ston stoo stos stot stss sttc tccc tcnn tcon tcos tctc tcts tkon tkos tkts tncc tnks tnts tock toco toko tonk tonn tono tons took toon toos toot tosc tosk toso toss tost totc toto tots tott tscc tsks tsos tsst tstc tsts ttcn tton ttss tttt