-er -ey -ic c-- ccc cce ccf ccg cci ccr ce- cec cee cef ceg cei cer cey cfc cfe cff cfg cfi cfr cgc cge cgg cgi cgr cgy ci- cic cie cif cig cii cir crc cre crf crg cri crr cry cyc cye cyf cyg cyr ec- ecc ece ecf ecg eci ecr eec eee eef eeg eer eey ef- efc efe eff efg efi efr egc ege egf egg egi egr egy eic eie eif eig eii eir erc ere erf erg eri err ery eyc eye eyr fcc fce fcf fcg fci fcr fcy fec fee fef feg fei fer fey ffc ffe fff ffg ffi ffr ffy fgc fge fgf fgg fgi fgr fic fie fif fig fii fir frc fre frf frg fri frr fry fy- fyc fye fyi gcc gce gcf gcg gci gcr ge- gec gee gef geg gei ger gey gfc gfe gff gfi gfr gfy ggc ggg ggi ggr gic gie gif gig gii gir giy grc gre grf grg gri grr gry gy- gye gyf gyr i-f icc ice icf icg ici icr icy ie- iec iee ief ieg iei ier iey ifc ife iff ifg ifi ifr ify igc ige igf igg igi igr igy iic iie iif iii iir ir- irc ire irf irg iri irr iry iyc iye iyr iyy rcc rce rcf rcg rci rcr re- rec ree ref reg rei rer rey rfc rfe rff rfg rfi rfr rgc rge rgf rgg rgi rgr ric rie rif rig rii rir riy rrc rrf rrg rri rrr ry- ryc rye ryf ryg ryr ryy ycc yce ycf yci ycy yec yee yef yeg yei yer yey yfc yfe yff yfr ygc yie yif yig yii yir yrc yre yrf yrg yyc yye yyf yyg yyy