a-a a-c a-t aaa aac aag aao aar aas aat ac- aca acc acg aco acr acs act ag- aga agc agg ago agr ags agt aoa aoc aog aoo aor aos aot ar- ara arc arg aro arr ars art as- asa asc asg aso asr ass ast at- ata atc atg ato atr ats att c-- caa cac cag cao car cas cat cca ccc ccg cco ccr ccs cct cga cgc cgg cgo cgr cgs cgt co- coa coc cog coo cor cos cot cra crc crg cro crr crs crt csa csc csg cso csr css cst cta ctc ctg cto ctr cts ctt gaa gac gag gao gar gas gat gca gcc gcg gco gcr gcs gct gga ggc ggg ggo ggr ggs ggt goa goc gog goo gor gos got gra grc grg gro grr grs grt gsa gsc gsg gso gsr gss gst gta gtc gtg gto gtr gts gtt oaa oac oag oao oar oas oat oc- oca occ ocg oco ocr ocs oct oga ogc ogg ogo ogs ogt oo- ooa ooc oog ooo oor oos oot or- ora orc org oro orr ors ort os- osa osc osg oso osr oss ost ot- ota otc otg oto otr ots ott ra- raa rac rag rao rar ras rat rca rcc rcg rco rcr rcs rct rga rgc rgg rgo rgr rgs rgt roa roc rog roo ror ros rot rra rrc rrg rrr rrs rrt rsa rsc rsg rso rsr rss rst rta rtc rtg rto rtr rts rtt saa sac sag sao sar sas sat sca scc scg sco scr scs sct sga sgc sgg sgo sgr sgs sgt soa soc sog soo sor sos sot sr- sra src srg sro srr srs srt ss- ssa ssc ssg sso ssr sss sst sta stc stg sto str sts stt taa tac tag tao tar tas tat tca tcc tcg tco tcr tcs tct tga tgc tgg tgo tgr tgs tgt to- toa toc tog too tor tos tot tra trc trg tro trr trs trt tsa tsc tsg tso tsr tss tst tta ttc ttg tto ttr tts ttt