-er -ey -ic c-- ccc cce ccf cci ccr ccs cct ce- cec cee cef cei cer ces cet cey cfc cfe cff cfi cfr cfs cft ci- cic cie cif cii cir cis cit crc cre crf cri crr crs crt cry csc cse csf csi csr css cst csy ctc cte ctf cti ctr cts ctt cty cyc cye cyf cyr cys cyt ec- ecc ece ecf eci ecr ecs ect eec eee eef eer ees eet eey ef- efc efe eff efi efr efs eft eic eie eif eii eir eis eit erc ere erf eri err ers ert ery es- esc ese esf esi esr ess est esy etc ete etf eti etr ets ett ety eyc eye eyr eys eyt fcc fce fcf fci fcr fcs fct fcy fec fee fef fei fer fes fet fey ffc ffe fff ffi ffr ffs fft ffy fic fie fif fii fir fis fit frc fre frf fri frr frs frt fry fsc fse fsf fsi fsr fss fst ftc fte ftf fti ftr fts ftt fty fy- fyc fye fyi i-f icc ice icf ici icr ics ict icy ie- iec iee ief iei ier ies iet iey ifc ife iff ifi ifr ifs ift ify iic iie iif iii iir iis iit ir- irc ire irf iri irr irs irt iry is- isc ise isf isi isr iss ist isy itc ite itf iti its itt ity iyc iye iyr iys iyt iyy rcc rce rcf rci rcr rcs rct re- rec ree ref rei rer res ret rey rfc rfe rff rfi rfr rfs rft ric rie rif rii rir ris rit riy rrc rrf rri rrr rrs rrt rsc rse rsf rsi rsr rss rst rtc rte rtf rti rtr rts rtt rty ry- ryc rye ryf ryr rys ryy scc sce scf sci scr scs sct se- sec see sef sei ser ses set sey sfc sfe sff sfi sfr sfs sft sic sie sif sii sir sis sit sr- src sre srf sri srr srs srt sry ss- ssc sse ssf ssi ssr sss sst stc ste stf sti str sts stt sty sy- syc sye syi syr sys syt tcc tce tcf tci tcr tcs tct te- tec tee tef tei ter tes tet tey tfc tfe tff tfi tfr tfs tft tic tie tif tii tir tis tit tiy trc tre trf tri trr trs trt try tsc tse tsf tsi tsr tss tst tsy ttc tte ttf tti ttr tts ttt tty tyc tye tyf tyr tys tyt ycc yce ycf yci ycs ycy yec yee yef yei yer yes yet yey yfc yfe yff yfr yfs yft yie yif yii yir yis yit yrc yre yrf yrs yrt ysc yse ysi ysr yss yst ysy ytc yte ytf ytr yts ytt yyc yye yyf yys yyt yyy