-er -th c-- ccc cce ccf cch ccr ccs cct ce- cec cee cef ceh cer ces cet cfc cfe cff cfh cfr cfs cft ch- chc che chf chh chr chs cht crc cre crf crh crr crs crt csc cse csf csh csr css cst ctc cte ctf cth ctr cts ctt ec- ecc ece ecf ech ecr ecs ect eec eee eef eer ees eet ef- efc efe eff efh efr efs eft ehc ehe ehf ehh ehr ehs eht erc ere erf erh err ers ert es- esc ese esf esh esr ess est etc ete etf eth etr ets ett fcc fce fcf fcr fcs fct fec fee fef feh fer fes fet ffc ffe fff ffh ffr ffs fft fhc fhe fhf fhh fhr fhs frc fre frf frh frr frs frt fsc fse fsf fsh fsr fss fst ftc fte ftf fth ftr fts ftt hcc hce hcf hch hcr hcs hct he- hec hee hef heh her hes het hfc hfe hff hfh hfr hfs hft hhc hhe hhf hhh hhr hhs hht hr- hrc hre hrf hrh hrr hrs hrt hsc hse hsf hsh hsr hss hst htc hte htf hth htr hts htt rcc rce rcf rch rcr rcs rct re- rec ree ref reh rer res ret rfc rfe rff rfh rfr rfs rft rh- rhc rhe rhf rhh rhr rhs rht rrc rrf rrh rrr rrs rrt rsc rse rsf rsh rsr rss rst rtc rte rtf rtr rts rtt scc sce scf sch scr scs sct se- sec see sef seh ser ses set sfc sfe sff sfh sfr sfs sft sh- shc she shf shh shr shs sht sr- src sre srf srh srr srs srt ss- ssc sse ssf ssh ssr sss sst stc ste stf sth str sts stt tcc tce tcf tch tcr tcs tct te- tec tee tef teh ter tes tet tfc tfe tff tfh tfr tfs tft th- thc the thf thh thr ths tht trc tre trf trh trr trs trt tsc tse tsf tsh tsr tss tst ttc tte ttf tth ttr tts ttt