-ey -ic c-- ccc cce cci ccp ce- cec cee cei cep cey ci- cic cie cii cip cpc cpe cpi cpp cyc cye cyp ec- ecc ece eci eec eee eep eey eic eie eii eip ep- epc epe epi epp eyc eye eyp icc ice ici icp icy ie- iec iee iei iep iey iic iie iii iip ipc ipe ipi ipp ipy iyc iye iyy p-p pcc pce pci pcp pec pee pei pep pey pic pie pii pip ppc ppe ppi ppp py- pyc pye ycc yce yci ycp ycy yec yee yei yep yey yie yii yip yyc yye yyy