cccc ccci cccp ccic ccii ccip ccoc ccpp cicc cici cico ciii ciko cipo cipp ckck ckco ckcy ckoc ckoi ckoo ckoy ckpc cock coco cocp coip cok- coko coky cook coop copi copo copp copy coyo cpic cpio cyc- cycc cypc cyy- cyyc iccc icci icco iccp icky icoc icpc icpo iiii iiio iioi iioo iiop ikki ikko ikky ikoo ioci iocp ioii ioio ioko iooi iooo ipcc ipko ipop ippc ippo ippy k-ci kccc kcci kcck kccy kcic kcii kckc kckk kcko kcky kcpc kcpi kcpo kcyk kcyy kicc kick kicp kicy kiic kiii kiik kiip kikc kiki kikk kiko kioc kioi kiok kioo kip- kipi kipo kipp kiyi kiyk kkci kkck kkco kkcy kkic kkik kkkk kkoo kkoy kkpc kkpk kkyc kkyy koci kock kocp koii kokc koki kokk koko kokp koky kooc kooi kook kooo koop kopi kopp kopy koyo koyy kpcc kpkk kpky kpoc kpok kpoo kpop kpoy kppc kppk kppo kppp kpyk kycc kyck kykc kykk kyky kyok kyoo kyoy kyp- kypc kyyi kyyk kyyo kyyy occc occi ocpp oici oick oiii oiko oipc okic okko okok okpo okyo ooky oooo opic opii opio opo- oppi oppo oppy pccc pcip pcpp picc pici pick pico picy piip piki pikk piko piky pipi pipo pipp pipy piyo pock poco poik poio poko poky pook poop pop- popc popi popo popp popy poyo ppcc ppci ppic pppo pppp pyck pyic pykk pyo- pypy yccc ykko yock yoik yoki yoko yoky yook yoop yopo yopy yoyo ypcc yyyy