-er -ey -ic c-- ccc cce ccf cci ccr ce- cec cee cef cei cer cey cfc cfe cff cfi cfr ci- cic cie cif cii cir crc cre crf cri crr cry cyc cye cyf cyr ec- ecc ece ecf eci ecr eec eee eef eer eey ef- efc efe eff efi efr eic eie eif eii eir erc ere erf eri err ery eyc eye eyr fcc fce fcf fci fcr fcy fec fee fef fei fer fey ffc ffe fff ffi ffr ffy fic fie fif fii fir frc fre frf fri frr fry fy- fyc fye fyi i-f icc ice icf ici icr icy ie- iec iee ief iei ier iey ifc ife iff ifi ifr ify iic iie iif iii iir ir- irc ire irf iri irr iry iyc iye iyr iyy rcc rce rcf rci rcr re- rec ree ref rei rer rey rfc rfe rff rfi rfr ric rie rif rii rir riy rrc rrf rri rrr ry- ryc rye ryf ryr ryy ycc yce ycf yci ycy yec yee yef yei yer yey yfc yfe yff yfr yie yif yii yir yrc yre yrf yyc yye yyf yyy