a-a a-c a-t aaa aac aad aag aan aao aar aat ac- aca acc acd acg acn aco acr act ad- ada adc add adg adn ado adr adt ag- aga agc agd agg agn ago agr agt an- ana anc and ang ann ano anr ant aoa aoc aod aog aon aoo aor aot ar- ara arc ard arg arn aro arr art at- ata atc atd atg atn ato atr att c-- caa cac cad cag can cao car cat cca ccc ccd ccg ccn cco ccr cct cda cdc cdd cdg cdn cdo cdr cdt cga cgc cgd cgg cgn cgo cgr cgt cn- cna cnc cnd cng cnn cno cnr cnt co- coa coc cod cog con coo cor cot cra crc crd crg crn cro crr crt cta ctc ctd ctg ctn cto ctr ctt daa dac dad dag dan dao dar dat dca dcc dcd dcg dcn dco dcr dct dda ddc ddd ddg ddn ddo ddr ddt dga dgc dgd dgg dgn dgr dgt dna dnc dnd dng dnn dno dnr dnt doa doc dod dog don doo dor dot dra drc drd drg drn dro drr drt dta dtc dtd dtg dtn dto dtr dtt g-d gaa gac gad gag gan gao gar gat gca gcc gcd gcg gcn gco gcr gct gda gdc gdd gdn gdo gdr gdt gga ggc ggd ggg ggn ggo ggr ggt gna gnc gnd gnn gno gnr gnt goa goc god gog gon goo gor got gra grc grd grg grn gro grr grt gta gtc gtd gtg gtn gto gtr gtt naa nac nad nag nan nao nar nat nca ncc ncd ncg ncn nco ncr nct nda ndc ndd ndg ndn ndo ndr ndt nga ngc ngd ngg ngn ngo ngt nna nnc nng nnn nno nnt no- noa noc nod nog non noo nor not nra nrc nrd nrg nrn nro nrr nrt nta ntc ntd ntg ntn nto ntr ntt oaa oac oad oag oan oao oar oat oc- oca occ ocd ocg ocn oco ocr oct oda odc odd odg odn odo odr odt oga ogc ogd ogg ogn ogo ogt on- ona onc ond ong onn ono onr ont oo- ooa ooc ood oog oon ooo oor oot or- ora orc ord org orn oro orr ort ot- ota otc otd otg otn oto otr ott ra- raa rac rad rag ran rao rar rat rca rcc rcd rcg rcn rco rcr rct rda rdc rdd rdg rdn rdo rdr rdt rga rgc rgd rgg rgn rgo rgr rgt rna rnc rnd rng rnn rno rnr rnt roa roc rod rog ron roo ror rot rra rrc rrd rrg rrn rrr rrt rta rtc rtd rtg rtn rto rtr rtt taa tac tad tag tan tao tar tat tca tcc tcd tcg tcn tco tcr tct tda tdc tdd tdg tdn tdo tdr tdt tga tgc tgg tgn tgo tgr tgt tna tnc tnd tng tnn tno tnr tnt to- toa toc tod tog ton too tor tot tra trc trd trg trn tro trr trt tta ttc ttd ttg ttn tto ttr ttt