-er -th c-- ccc cce ccg cch ccr ccs cct ce- cec cee ceg ceh cer ces cet cgc cge cgg cgh cgr cgs cgt ch- chc che chg chh chr chs cht crc cre crg crh crr crs crt csc cse csg csh csr css cst ctc cte ctg cth ctr cts ctt ec- ecc ece ecg ech ecr ecs ect eec eee eeg eer ees eet egc ege egg egh egr egs egt ehc ehe ehg ehh ehr ehs eht erc ere erg erh err ers ert es- esc ese esg esh esr ess est etc ete etg eth etr ets ett gcc gce gcg gch gcr gcs gct ge- gec gee geg geh ger ges get ggc ggg ggh ggr ggs ggt ghc ghe ghg ghh ghr ghs ght grc gre grg grh grr grs grt gsc gse gsg gsr gss gst gtc gte gtg gth gtr gts gtt hcc hce hcg hch hcr hcs hct he- hec hee heg heh her hes het hgc hge hgg hgh hgr hgs hgt hhc hhe hhg hhh hhr hhs hht hr- hrc hre hrg hrh hrr hrs hrt hsc hse hsg hsh hsr hss hst htc hte htg hth htr hts htt rcc rce rcg rch rcr rcs rct re- rec ree reg reh rer res ret rgc rge rgg rgh rgr rgs rgt rh- rhc rhe rhg rhh rhr rhs rht rrc rrg rrh rrr rrs rrt rsc rse rsg rsh rsr rss rst rtc rte rtg rtr rts rtt scc sce scg sch scr scs sct se- sec see seg seh ser ses set sgc sge sgg sgh sgr sgs sgt sh- shc she shg shh shr shs sht sr- src sre srg srh srr srs srt ss- ssc sse ssg ssh ssr sss sst stc ste stg sth str sts stt tcc tce tcg tch tcr tcs tct te- tec tee teg teh ter tes tet tgc tge tgg tgh tgr tgs tgt th- thc the thg thh thr ths tht trc tre trg trh trr trs trt tsc tse tsg tsh tsr tss tst ttc tte ttg tth ttr tts ttt