-er a-a a-c a-t aaa aac aae aag aan aar aat aau ac- aca acc ace acg acn acr act acu aea aec aee aeg aen aer aet aeu ag- aga agc age agg agn agr agt agu an- ana anc ane ang ann anr ant anu ar- ara arc are arg arn arr art aru at- ata atc ate atg atn atr att atu au- aua auc aue aug aun aur aut c-- caa cac cae cag can car cat cau cca ccc cce ccg ccn ccr cct ccu ce- cea cec cee ceg cen cer cet ceu cga cgc cge cgg cgn cgr cgt cgu cn- cna cnc cne cng cnn cnr cnt cnu cra crc cre crg crn crr crt cru cta ctc cte ctg ctn ctr ctt ctu cua cuc cue cug cun cur cut cuu eaa eac eae eag ean ear eat eau ec- eca ecc ece ecg ecn ecr ect ecu eea eec eee eeg een eer eet ega egc ege egg egn egr egt egu en- ena enc ene eng enn enr ent enu era erc ere erg ern err ert eru eta etc ete etg etn etr ett etu eu- eua euc eue eug eun eur eut gaa gac gae gag gan gar gat gau gca gcc gce gcg gcn gcr gct gcu ge- gea gec gee geg gen ger get geu gga ggc ggg ggn ggr ggt ggu gna gnc gne gnn gnr gnt gnu gra grc gre grg grn grr grt gru gta gtc gte gtg gtn gtr gtt gtu gu- gua guc gue gug gun gur gut guu naa nac nae nag nan nar nat nau nca ncc nce ncg ncn ncr nct ncu ne- nea nec nee neg nen ner net neu nga ngc nge ngg ngn ngt ngu nna nnc nne nng nnn nnt nnu nra nrc nre nrg nrn nrr nrt nru nta ntc nte ntg ntn ntr ntt ntu nua nuc nue nug nun nur nut nuu ra- raa rac rae rag ran rar rat rau rca rcc rce rcg rcn rcr rct rcu re- rea rec ree reg ren rer ret reu rga rgc rge rgg rgn rgr rgt rna rnc rng rnn rnr rnt rnu rra rrc rrg rrn rrr rrt rru rta rtc rte rtg rtn rtr rtt rtu rua ruc rue rug run rur rut ruu taa tac tae tag tan tar tat tau tca tcc tce tcg tcn tcr tct tcu te- tea tec tee teg ten ter tet teu tga tgc tge tgg tgn tgr tgt tgu tna tnc tne tng tnn tnr tnt tra trc tre trg trn trr trt tru tta ttc tte ttg ttn ttr ttt ttu tua tuc tue tug tun tur tut tuu ua- uaa uac uae uag uan uar uat uau uca ucc uce ucg ucn ucr uct ucu uea uec uee ueg uen uer uet uga ugc uge ugg ugn ugr ugt ugu un- una unc une ung unn unr unt unu ur- ura urc ure urg urn urr urt uru uta utc ute utn utr utt utu uua uuc uue uug uun uur uut uuu