a-a a-c a-t aaa aac aad aag aao aar aas aat ac- aca acc acd acg aco acr acs act ad- ada adc add adg ado adr ads adt ag- aga agc agd agg ago agr ags agt aoa aoc aod aog aoo aor aos aot ar- ara arc ard arg aro arr ars art as- asa asc asd asg aso asr ass ast at- ata atc atd atg ato atr ats att c-- caa cac cad cag cao car cas cat cca ccc ccd ccg cco ccr ccs cct cda cdc cdd cdg cdo cdr cds cdt cga cgc cgd cgg cgo cgr cgs cgt co- coa coc cod cog coo cor cos cot cra crc crd crg cro crr crs crt csa csc csd csg cso csr css cst cta ctc ctd ctg cto ctr cts ctt daa dac dad dag dao dar das dat dca dcc dcd dcg dco dcr dcs dct dda ddc ddd ddg ddo ddr dds ddt dga dgc dgd dgg dgr dgs dgt doa doc dod dog doo dor dos dot dra drc drd drg dro drr drs drt dsa dsc dsd dsg dso dsr dss dst dta dtc dtd dtg dto dtr dts dtt g-d gaa gac gad gag gao gar gas gat gca gcc gcd gcg gco gcr gcs gct gda gdc gdd gdo gdr gds gdt gga ggc ggd ggg ggo ggr ggs ggt goa goc god gog goo gor gos got gra grc grd grg gro grr grs grt gsa gsc gsd gsg gso gsr gss gst gta gtc gtd gtg gto gtr gts gtt oaa oac oad oag oao oar oas oat oc- oca occ ocd ocg oco ocr ocs oct oda odc odd odg odo odr ods odt oga ogc ogd ogg ogo ogs ogt oo- ooa ooc ood oog ooo oor oos oot or- ora orc ord org oro orr ors ort os- osa osc osd osg oso osr oss ost ot- ota otc otd otg oto otr ots ott ra- raa rac rad rag rao rar ras rat rca rcc rcd rcg rco rcr rcs rct rda rdc rdd rdg rdo rdr rds rdt rga rgc rgd rgg rgo rgr rgs rgt roa roc rod rog roo ror ros rot rra rrc rrd rrg rrr rrs rrt rsa rsc rsd rsg rso rsr rss rst rta rtc rtd rtg rto rtr rts rtt saa sac sad sag sao sar sas sat sca scc scd scg sco scr scs sct sda sdc sdd sdg sdo sdr sds sdt sga sgc sgd sgg sgo sgr sgs sgt soa soc sod sog soo sor sos sot sr- sra src srd srg sro srr srs srt ss- ssa ssc ssd ssg sso ssr sss sst sta stc std stg sto str sts stt taa tac tad tag tao tar tas tat tca tcc tcd tcg tco tcr tcs tct tda tdc tdd tdg tdo tdr tds tdt tga tgc tgg tgo tgr tgs tgt to- toa toc tod tog too tor tos tot tra trc trd trg tro trr trs trt tsa tsc tsd tsg tso tsr tss tst tta ttc ttd ttg tto ttr tts ttt