-er -th a-a a-c a-t aaa aac aae aag aah aan aar aat ac- aca acc ace acg ach acn acr act aea aec aee aeg aeh aen aer aet ag- aga agc age agg agh agn agr agt aha ahc ahe ahg ahh ahn ahr aht an- ana anc ane ang anh ann anr ant ar- ara arc are arg arh arn arr art at- ata atc ate atg ath atn atr att c-- caa cac cae cag cah can car cat cca ccc cce ccg cch ccn ccr cct ce- cea cec cee ceg ceh cen cer cet cga cgc cge cgg cgh cgn cgr cgt ch- cha chc che chg chh chn chr cht cn- cna cnc cne cng cnh cnn cnr cnt cra crc cre crg crh crn crr crt cta ctc cte ctg cth ctn ctr ctt eaa eac eae eag eah ean ear eat ec- eca ecc ece ecg ech ecn ecr ect eea eec eee eeg een eer eet ega egc ege egg egh egn egr egt eha ehc ehe ehg ehh ehn ehr eht en- ena enc ene eng enh enn enr ent era erc ere erg erh ern err ert eta etc ete etg eth etn etr ett gaa gac gae gag gah gan gar gat gca gcc gce gcg gch gcn gcr gct ge- gea gec gee geg geh gen ger get gga ggc ggg ggh ggn ggr ggt gha ghc ghe ghg ghh ghn ghr ght gna gnc gne gnn gnr gnt gra grc gre grg grh grn grr grt gta gtc gte gtg gth gtn gtr gtt haa hac hae hag hah han har hat hca hcc hce hcg hch hcn hcr hct he- hea hec hee heg heh hen her het hga hgc hge hgg hgh hgn hgr hgt hha hhc hhe hhg hhh hhn hhr hht hna hnc hne hng hnh hnn hnt hr- hra hrc hre hrg hrh hrn hrr hrt hta htc hte htg hth htn htr htt naa nac nae nag nah nan nar nat nca ncc nce ncg nch ncn ncr nct ne- nea nec nee neg neh nen ner net nga ngc nge ngg ngh ngn ngt nha nhc nhe nhg nhh nhn nhr nht nna nnc nne nng nnh nnn nnt nra nrc nre nrg nrn nrr nrt nta ntc nte ntg nth ntn ntr ntt ra- raa rac rae rag rah ran rar rat rca rcc rce rcg rch rcn rcr rct re- rea rec ree reg reh ren rer ret rga rgc rge rgg rgh rgn rgr rgt rh- rha rhc rhe rhg rhh rhn rhr rht rna rnc rng rnh rnn rnr rnt rra rrc rrg rrh rrn rrr rrt rta rtc rte rtg rtn rtr rtt taa tac tae tag tah tan tar tat tca tcc tce tcg tch tcn tcr tct te- tea tec tee teg teh ten ter tet tga tgc tge tgg tgh tgn tgr tgt th- tha thc the thg thh thn thr tht tna tnc tne tng tnh tnn tnr tnt tra trc tre trg trh trn trr trt tta ttc tte ttg tth ttn ttr ttt