-er -ey -ic c-- ccc cce ccf cci ccr cct ce- cec cee cef cei cer cet cey cfc cfe cff cfi cfr cft ci- cic cie cif cii cir cit crc cre crf cri crr crt cry ctc cte ctf cti ctr ctt cty cyc cye cyf cyr cyt ec- ecc ece ecf eci ecr ect eec eee eef eer eet eey ef- efc efe eff efi efr eft eic eie eif eii eir eit erc ere erf eri err ert ery etc ete etf eti etr ett ety eyc eye eyr eyt fcc fce fcf fci fcr fct fcy fec fee fef fei fer fet fey ffc ffe fff ffi ffr fft ffy fic fie fif fii fir fit frc fre frf fri frr frt fry ftc fte ftf fti ftr ftt fty fy- fyc fye fyi i-f icc ice icf ici icr ict icy ie- iec iee ief iei ier iet iey ifc ife iff ifi ifr ift ify iic iie iif iii iir iit ir- irc ire irf iri irr irt iry itc ite itf iti itt ity iyc iye iyr iyt iyy rcc rce rcf rci rcr rct re- rec ree ref rei rer ret rey rfc rfe rff rfi rfr rft ric rie rif rii rir rit riy rrc rrf rri rrr rrt rtc rte rtf rti rtr rtt rty ry- ryc rye ryf ryr ryy tcc tce tcf tci tcr tct te- tec tee tef tei ter tet tey tfc tfe tff tfi tfr tft tic tie tif tii tir tit tiy trc tre trf tri trr trt try ttc tte ttf tti ttr ttt tty tyc tye tyf tyr tyt ycc yce ycf yci ycy yec yee yef yei yer yet yey yfc yfe yff yfr yft yie yif yii yir yit yrc yre yrf yrt ytc yte ytf ytr ytt yyc yye yyf yyt yyy