-er a-a a-c a-t aaa aac aae aag aar aat aau ac- aca acc ace acg acr act acu aea aec aee aeg aer aet aeu ag- aga agc age agg agr agt agu ar- ara arc are arg arr art aru at- ata atc ate atg atr att atu au- aua auc aue aug aur aut c-- caa cac cae cag car cat cau cca ccc cce ccg ccr cct ccu ce- cea cec cee ceg cer cet ceu cga cgc cge cgg cgr cgt cgu cra crc cre crg crr crt cru cta ctc cte ctg ctr ctt ctu cua cuc cue cug cur cut cuu eaa eac eae eag ear eat eau ec- eca ecc ece ecg ecr ect ecu eea eec eee eeg eer eet ega egc ege egg egr egt egu era erc ere erg err ert eru eta etc ete etg etr ett etu eu- eua euc eue eug eur eut gaa gac gae gag gar gat gau gca gcc gce gcg gcr gct gcu ge- gea gec gee geg ger get geu gga ggc ggg ggr ggt ggu gra grc gre grg grr grt gru gta gtc gte gtg gtr gtt gtu gu- gua guc gue gug gur gut guu ra- raa rac rae rag rar rat rau rca rcc rce rcg rcr rct rcu re- rea rec ree reg rer ret reu rga rgc rge rgg rgr rgt rra rrc rrg rrr rrt rru rta rtc rte rtg rtr rtt rtu rua ruc rue rug rur rut ruu taa tac tae tag tar tat tau tca tcc tce tcg tcr tct tcu te- tea tec tee teg ter tet teu tga tgc tge tgg tgr tgt tgu tra trc tre trg trr trt tru tta ttc tte ttg ttr ttt ttu tua tuc tue tug tur tut tuu ua- uaa uac uae uag uar uat uau uca ucc uce ucg ucr uct ucu uea uec uee ueg uer uet uga ugc uge ugg ugr ugt ugu ur- ura urc ure urg urr urt uru uta utc ute utr utt utu uua uuc uue uug uur uut uuu