cccc cccp ccoc ccpp cctc cctt ckck ckco ckcy ckoc ckoo ckot ckoy ckpc ckty cock coco cocp coct cok- coko coky cook coop coot copo copp copt copy cotc coto cott coty coyo coyt cptp ctcp ctot ctpo ctpp cyc- cycc cypc cyt- cyto cyy- cyyc kccc kcck kcct kccy kckc kckk kcko kcky kcot kcpc kcpo kcpt kctc kcto kcty kcyk kcyt kcyy kkck kkco kkct kkcy kkkk kkoo kkot kkoy kkpc kkpk kkpt kktc kktk kkty kkyc kkyy kock kocp koct kokc kokk koko kokp koky kooc kook kooo koop koot kopp kopt kopy kotc kotk koto kott koty koyo koyt koyy kpcc kpkk kpky kpoc kpok kpoo kpop kpoy kppc kppk kppo kppp kpto kptt kpty kpyk ktcc ktck ktco ktcy ktkc ktkk ktko ktkt ktoc ktok ktoo ktop ktot ktoy ktpk ktpo ktpt kttc kttk ktto kttp kttt ktty kycc kyck kyct kykc kykk kyky kyok kyoo kyot kyoy kyp- kypc kytc kyto kytt kyty kyyk kyyo kyyt kyyy occc occt ocpp oct- octo octy okko okok okot okpo okto okyo ooky oooo ootp ooty opo- oppo oppy opto oto- otok otoo otoy otpp otto pccc pcpp pock poco poko poky pook poop poot pop- popc popo popp popt popy potc poto pott poty poyo ppcc pppo pppp pptt ptcc ptop pttc pttk pyck pykk pyo- pyot pypy pytt tccc tcpo tcpy tctc to-y tock toco toko toky took toot top- topo topp topt totc toto tott toty toyo toyt tpck tpcp tppp tptp tpyo ttcp ttop ttoy tttt tyck tyco typ- typo typp typy tyto tytt tyty yccc yctc ykko ykyt yock yoko yoky yook yoop yoot yopo yopy yott yoyo ypcc ytky yyyy