cccc ccci cccp ccic ccii ccip ccoc ccpp cicc cici cico ciii ciko cipo cipp ckck ckco ckoc ckoi ckoo ckpc cock coco cocp coip cok- coko cook coop copi copo copp cozi cozz cpic cpio iccc icci icco iccp icoc icpc icpo iiii iiio iioi iioo iiop ikki ikko ikoo ioci iocp ioii ioio ioko iooi iooo ipcc ipko ipop ippc ippo izki izzo k-ci kccc kcci kcck kcic kcii kckc kckk kcko kckz kcoz kcpc kcpi kcpo kczo kczz kicc kick kicp kiic kiii kiik kiip kikc kiki kikk kiko kikz kioc kioi kiok kioo kioz kip- kipi kipo kipp kizz kkci kkck kkco kkic kkik kkkk kkoo kkoz kkpc kkpk kkpz kkzz koci kock kocp koii kokc koki kokk koko kokp kokz kooc kooi kook kooo koop kooz kopi kopp kozi kozk kozo kpcc kpkk kpoc kpok kpoo kpop kppc kppk kppo kppp kpzk kzio kzip kziz kzkz kzoi kzoo kzoz kzpi kzpk kzpo kzzi kzzk kzzo kzzp kzzz occc occi ocpp oici oick oiii oiko oipc okic okko okok okpo oooo oozi opic opii opio opo- oppi oppo pccc pcip pcpp picc pici pick pico piip piki pikk piko pioz pipi pipo pipp pock poco poik poio poko pook poop pop- popc popi popo popp pozo ppcc ppci ppic pppo pppp zick zico ziip ziki zipp zizi zizz zoco zoic zoio zoo- zook zoop zozo zzzz