-er -th a-a a-c a-t aaa aac aae aag aah aar aat aau ac- aca acc ace acg ach acr act acu aea aec aee aeg aeh aer aet aeu ag- aga agc age agg agh agr agt agu aha ahc ahe ahg ahh ahr aht ahu ar- ara arc are arg arh arr art aru at- ata atc ate atg ath atr att atu au- aua auc aue aug auh aur aut c-- caa cac cae cag cah car cat cau cca ccc cce ccg cch ccr cct ccu ce- cea cec cee ceg ceh cer cet ceu cga cgc cge cgg cgh cgr cgt cgu ch- cha chc che chg chh chr cht chu cra crc cre crg crh crr crt cru cta ctc cte ctg cth ctr ctt ctu cua cuc cue cug cuh cur cut cuu eaa eac eae eag eah ear eat eau ec- eca ecc ece ecg ech ecr ect ecu eea eec eee eeg eer eet ega egc ege egg egh egr egt egu eha ehc ehe ehg ehh ehr eht ehu era erc ere erg erh err ert eru eta etc ete etg eth etr ett etu eu- eua euc eue eug eur eut gaa gac gae gag gah gar gat gau gca gcc gce gcg gch gcr gct gcu ge- gea gec gee geg geh ger get geu gga ggc ggg ggh ggr ggt ggu gha ghc ghe ghg ghh ghr ght gra grc gre grg grh grr grt gru gta gtc gte gtg gth gtr gtt gtu gu- gua guc gue gug gur gut guu haa hac hae hag hah har hat hau hca hcc hce hcg hch hcr hct he- hea hec hee heg heh her het heu hga hgc hge hgg hgh hgr hgt hgu hha hhc hhe hhg hhh hhr hht hhu hr- hra hrc hre hrg hrh hrr hrt hru hta htc hte htg hth htr htt hua huc hue hug huh hur hut huu ra- raa rac rae rag rah rar rat rau rca rcc rce rcg rch rcr rct rcu re- rea rec ree reg reh rer ret reu rga rgc rge rgg rgh rgr rgt rh- rha rhc rhe rhg rhh rhr rht rhu rra rrc rrg rrh rrr rrt rru rta rtc rte rtg rtr rtt rtu rua ruc rue rug ruh rur rut ruu taa tac tae tag tah tar tat tau tca tcc tce tcg tch tcr tct tcu te- tea tec tee teg teh ter tet teu tga tgc tge tgg tgh tgr tgt tgu th- tha thc the thg thh thr tht thu tra trc tre trg trh trr trt tru tta ttc tte ttg tth ttr ttt ttu tua tuc tue tug tuh tur tut tuu ua- uaa uac uae uag uah uar uat uau uca ucc uce ucg uch ucr uct ucu uea uec uee ueg ueh uer uet uga ugc uge ugg ugh ugr ugt ugu uha uhc uhe uhh uhr uht uhu ur- ura urc ure urg urr urt uru uta utc ute uth utr utt utu uua uuc uue uug uur uut uuu