-er -th c-- ccc cce ccg cch cco ccr ccs cct ce- cec cee ceg ceh ceo cer ces cet cgc cge cgg cgh cgo cgr cgs cgt ch- chc che chg chh cho chr chs cht co- coc coe cog coh coo cor cos cot crc cre crg crh cro crr crs crt csc cse csg csh cso csr css cst ctc cte ctg cth cto ctr cts ctt ec- ecc ece ecg ech eco ecr ecs ect eec eee eeg eeo eer ees eet egc ege egg egh ego egr egs egt ehc ehe ehg ehh eho ehr ehs eht eo- eoc eoe eog eoh eoo eor eos eot erc ere erg erh ero err ers ert es- esc ese esg esh eso esr ess est etc ete etg eth eto etr ets ett gcc gce gcg gch gco gcr gcs gct ge- gec gee geg geh geo ger ges get ggc ggg ggh ggo ggr ggs ggt ghc ghe ghg ghh gho ghr ghs ght goc goe gog goh goo gor gos got grc gre grg grh gro grr grs grt gsc gse gsg gso gsr gss gst gtc gte gtg gth gto gtr gts gtt hcc hce hcg hch hco hcr hcs hct he- hec hee heg heh heo her hes het hgc hge hgg hgh hgo hgr hgs hgt hhc hhe hhg hhh hho hhr hhs hht hoc hoe hog hoh hoo hor hos hot hr- hrc hre hrg hrh hro hrr hrs hrt hsc hse hsg hsh hsr hss hst htc hte htg hth hto htr hts htt oc- occ ocg och oco ocr ocs oct oec oee oeg oeh oeo oer oes oet ogc oge ogg ogh ogo ogs ogt ohc ohe ohg ohh oho ohr ohs oht oo- ooc oog ooh ooo oor oos oot or- orc ore org orh oro orr ors ort os- osc ose osg osh oso osr oss ost ot- otc ote otg oth oto otr ots ott rcc rce rcg rch rco rcr rcs rct re- rec ree reg reh reo rer res ret rgc rge rgg rgh rgo rgr rgs rgt rh- rhc rhe rhg rhh rho rhr rhs rht roc roe rog roh roo ror ros rot rrc rrg rrh rrr rrs rrt rsc rse rsg rsh rso rsr rss rst rtc rte rtg rto rtr rts rtt scc sce scg sch sco scr scs sct se- sec see seg seh seo ser ses set sgc sge sgg sgh sgo sgr sgs sgt sh- shc she shg shh sho shr shs sht soc soe sog soh soo sor sos sot sr- src sre srg srh sro srr srs srt ss- ssc sse ssg ssh sso ssr sss sst stc ste stg sth sto str sts stt tcc tce tcg tch tco tcr tcs tct te- tec tee teg teh teo ter tes tet tgc tge tgg tgh tgo tgr tgs tgt th- thc the thg thh tho thr ths tht to- toc toe tog toh too tor tos tot trc tre trg trh tro trr trs trt tsc tse tsg tsh tso tsr tss tst ttc tte ttg tth tto ttr tts ttt