-ey -ic c-- ccc cce ccf cci ccp ccs ce- cec cee cef cei cep ces cey cfc cfe cff cfi cfp cfs ci- cic cie cif cii cip cis cpc cpe cpf cpi cpp cps csc cse csf csi csp css csy cyc cye cyf cyp cys ec- ecc ece ecf eci ecs eec eee eef eep ees eey ef- efc efe eff efi efp efs eic eie eif eii eip eis ep- epc epe epf epi epp eps es- esc ese esf esi esp ess esy eyc eye eyp eys fcc fce fcf fci fcp fcs fcy fec fee fef fei fep fes fey ffc ffe fff ffi ffp ffs ffy fic fie fif fii fip fis fpc fpe fpi fpp fps fpy fsc fse fsf fsi fsp fss fy- fyc fye fyi fyp i-f icc ice icf ici icp ics icy ie- iec iee ief iei iep ies iey ifc ife iff ifi ifp ifs ify iic iie iif iii iip iis ipc ipe ipf ipi ipp ips ipy is- isc ise isf isi isp iss isy iyc iye iys iyy p-p pcc pce pcf pci pcp pcs pec pee pef pei pep pes pey pfc pfe pff pfi pfp pfs pfy pic pie pif pii pip pis ppc ppe ppf ppi ppp pps ps- psc pse psf psi psp pss psy py- pyc pye pyf pys scc sce scf sci scp scs se- sec see sef sei sep ses sey sfc sfe sff sfi sfp sfs sic sie sif sii sip sis spc spe spf spi spp sps spy ss- ssc sse ssf ssi ssp sss sy- syc sye syi syp sys ycc yce ycf yci ycp ycs ycy yec yee yef yei yep yes yey yfc yfe yff yfs yie yif yii yip yis ypf yps ysc yse ysi ysp yss ysy yyc yye yyf yys yyy