-er -ey c-- ccc cce ccf ccp ccr ccs cct ce- cec cee cef cep cer ces cet cey cfc cfe cff cfp cfr cfs cft cpc cpe cpf cpp cpr cps cpt crc cre crf crp crr crs crt cry csc cse csf csp csr css cst csy ctc cte ctf ctp ctr cts ctt cty cyc cye cyf cyp cyr cys cyt ec- ecc ece ecf ecr ecs ect eec eee eef eep eer ees eet eey ef- efc efe eff efp efr efs eft ep- epc epe epf epp epr eps ept erc ere erf erp err ers ert ery es- esc ese esf esp esr ess est esy etc ete etf etp etr ets ett ety eyc eye eyp eyr eys eyt fcc fce fcf fcp fcr fcs fct fcy fec fee fef fep fer fes fet fey ffc ffe fff ffp ffr ffs fft ffy fpc fpe fpp fpr fps fpt fpy frc fre frf frp frr frs frt fry fsc fse fsf fsp fsr fss fst ftc fte ftf ftp ftr fts ftt fty fy- fyc fye fyp p-p pcc pce pcf pcp pcr pcs pct pec pee pef pep per pes pet pey pfc pfe pff pfp pfr pfs pft pfy ppc ppe ppf ppp ppr pps ppt prc pre prf prp prr prs prt pry ps- psc pse psf psp psr pss pst psy pt- ptc pte ptf ptp ptr pts ptt pty py- pyc pye pyf pyr pys pyt rcc rce rcf rcp rcr rcs rct re- rec ree ref rep rer res ret rey rfc rfe rff rfp rfr rfs rft rpc rpe rpf rpp rpr rps rpt rrc rrf rrp rrr rrs rrt rsc rse rsf rsp rsr rss rst rtc rte rtf rtp rtr rts rtt rty ry- ryc rye ryf ryr rys ryy scc sce scf scp scr scs sct se- sec see sef sep ser ses set sey sfc sfe sff sfp sfr sfs sft spc spe spf spp spr sps spt spy sr- src sre srf srp srr srs srt sry ss- ssc sse ssf ssp ssr sss sst stc ste stf stp str sts stt sty sy- syc sye syp syr sys syt tcc tce tcf tcp tcr tcs tct te- tec tee tef tep ter tes tet tey tfc tfe tff tfp tfr tfs tft tpc tpe tpf tpp tpr tps tpt trc tre trf trp trr trs trt try tsc tse tsf tsp tsr tss tst tsy ttc tte ttf ttp ttr tts ttt tty tyc tye tyf typ tyr tys tyt ycc yce ycf ycp ycs ycy yec yee yef yep yer yes yet yey yfc yfe yff yfr yfs yft ypf yps yrc yre yrf yrp yrs yrt ysc yse ysp ysr yss yst ysy ytc yte ytf ytp ytr yts ytt yyc yye yyf yys yyt yyy