cccc cccs ccoc ccrc ccrs ccrt ccss ccst cctc cctt ckck ckco ckcs ckcy ckoc ckoo ckor ckos ckot ckoy ckrc ckry ckso ckst ckts ckty cock coco coct cok- coko coky cook coos coot cor- corc cork coro corr cors cort cory cosc coso coss cost cosy cotc coto cots cott coty coyo coyr coys coyt crcc crcr crkc croc crok croo cror crot croy crrt crss crst crtc crts cry- cryo crys cscc csco cscr cscs csks csor csos csot csrc csrs cssr cstc csto cstr csts csys ctor ctos ctot ctrc ctrs ctsc ctss ctts cyc- cycc cycs cyrk cyrs cyrt cyst cyt- cyto cyy- cyyc k-os kccc kcck kccr kcct kccy kckc kckk kcko kckr kcky kcor kcos kcot kcrc kcro kcrr kcrs kcrt kcry kcsc kcsr kcss kcst kcsy kctc kcto kcty kcyk kcys kcyt kcyy kkck kkco kkcr kkcs kkct kkcy kkkk kkoo kkor kkot kkoy kkrc kkrk kkro kkrr kkrs kkrt kksr kkss kkst kktc kktk kkts kkty kkyc kkys kkyy kock kocs koct kokc kokk koko kokr koks koky kooc kook kooo koor koos koot korc kork koro korr kors kort kos- kosc koso kosr koss kost kosy kotc kotk koto kotr kots kott koty koyo koyt koyy krcc krco krcs krkc krkk krko krkr krks krky kroc krok kroo kror kros kroy krrc krrk krro krrr krrs krrt krry krsc krsk krsr krss krst krsy krtc krtk krto krtr krts krty kryk kryo kryy ksck ksco kscr kscs kscy kskk ksko kskr ksks ksky ksoc ksok ksoo ksor ksos ksro ksrr ksrs ksrt ksry ksso kssr ksss ksst kstc kstk ksto kstr ksts kstt ksty ksyc ksyr ksyy ktcc ktck ktco ktcr ktcs ktcy ktkc ktkk ktko ktkr ktks ktkt ktoc ktok ktoo ktor ktot ktoy ktrc ktrk ktro ktrr ktrs ktrt ktry ktsc ktso ktsr ktst ktsy kttc kttk ktto kttr ktts kttt ktty ktyr kycc kyck kycr kycs kyct kykc kykk kykr kyks kyky kyok kyoo kyor kyos kyot kyoy kyrc kyrk kyro kyrs kysc kysk kysr kyst kytc kyto kyts kytt kyty kyyk kyyo kyys kyyt kyyy occc occt ocks ocos ocro ocrr ocrs oct- octo octs octy ocys okko okok okor okot okro okso okto okyo oocr ooky oooo ooos oort oory oost oots ooty orco orcs orko oro- orok oror oros orot oroy orro orrs orry orsk orso orsy ortc orto orts orys oscc osco osoo osor osos osro osso ossy ostc ostr osts osyt oto- otok otoo otor otos otoy otro otrs otry otso otto otts otyr oyss oyst rccc rccs rcos rcsc rcss rctc rcts rcyc rkos rkss rkts rocc rock roco rocs rokk roko rokr roks roky rook roor roos root rorc rork roro rort rory rosc roso ross rost rosy rotc rotk roto rotr rots rott roty roys royt rrrr rscc rscs rscy rsos rsts rtcc rtss rtts ryck ryot rysy rytt ryyt s-os sccc sccs scct sccy sck- scok scoo scor scot scr- scrc scrs scry scsc scso scsr scst sctc scto sctr scts skor skot skrt skss sky- skyr skys skyy sock soco socr socs socy sokk soko sook soor soos soot sooy soro sorr sors sort sory soso soss sost sotc sotk soto sots soyo soys soyt srcc srct sros srtr sscc sscs ssoc ssot ssrc ssrs sssc ssss sstc ssts stcc stcs stks stok stoo stor stos stot stoy strc strk stro strs stry stss sttc sttr styk styr stys syck syco sycr syro syrs syrt syry syso syss syst sytt syyk tccc tcos tctc tcts tkos tkts to-y tock toco toko toky took toor toos toot torc tork toro torr tors tort tory tosc tosk toso toss tost tosy totc toto totr tots tott toty toyo toys toyt trcc troc troo tros trot troy trst trtc trtr try- tryo trys tscc tsks tsos tsoy tssr tsst tstc tsts tsys ttoy ttss tttt ttys tyck tyco tyr- tyro tyrr tyss tyst tyto tytt tyty yccc yctc ykko yksc ykyt yock yoko yoks yoky yook yoot york yoro yort yory yoso yost yott yoyo ysco ytky yyyy