a-a a-c a-t aaa aac aag aan aao aar aas aat ac- aca acc acg acn aco acr acs act ag- aga agc agg agn ago agr ags agt an- ana anc ang ann ano anr ans ant aoa aoc aog aon aoo aor aos aot ar- ara arc arg arn aro arr ars art as- asa asc asg asn aso asr ass ast at- ata atc atg atn ato atr ats att c-- caa cac cag can cao car cas cat cca ccc ccg ccn cco ccr ccs cct cga cgc cgg cgn cgo cgr cgs cgt cn- cna cnc cng cnn cno cnr cns cnt co- coa coc cog con coo cor cos cot cra crc crg crn cro crr crs crt csa csc csg csn cso csr css cst cta ctc ctg ctn cto ctr cts ctt gaa gac gag gan gao gar gas gat gca gcc gcg gcn gco gcr gcs gct gga ggc ggg ggn ggo ggr ggs ggt gna gnc gnn gno gnr gns gnt goa goc gog gon goo gor gos got gra grc grg grn gro grr grs grt gsa gsc gsg gsn gso gsr gss gst gta gtc gtg gtn gto gtr gts gtt naa nac nag nan nao nar nas nat nca ncc ncg ncn nco ncr ncs nct nga ngc ngg ngn ngo ngs ngt nna nnc nng nnn nno nns nnt no- noa noc nog non noo nor nos not nra nrc nrg nrn nro nrr nrs nrt nsa nsc nsg nsn nso nsr nss nst nta ntc ntg ntn nto ntr nts ntt oaa oac oag oan oao oar oas oat oc- oca occ ocg ocn oco ocr ocs oct oga ogc ogg ogn ogo ogs ogt on- ona onc ong onn ono onr ons ont oo- ooa ooc oog oon ooo oor oos oot or- ora orc org orn oro orr ors ort os- osa osc osg osn oso osr oss ost ot- ota otc otg otn oto otr ots ott ra- raa rac rag ran rao rar ras rat rca rcc rcg rcn rco rcr rcs rct rga rgc rgg rgn rgo rgr rgs rgt rna rnc rng rnn rno rnr rns rnt roa roc rog ron roo ror ros rot rra rrc rrg rrn rrr rrs rrt rsa rsc rsg rsn rso rsr rss rst rta rtc rtg rtn rto rtr rts rtt saa sac sag san sao sar sas sat sca scc scg scn sco scr scs sct sga sgc sgg sgn sgo sgr sgs sgt sna snc sng snn sno snr sns snt soa soc sog son soo sor sos sot sr- sra src srg srn sro srr srs srt ss- ssa ssc ssg ssn sso ssr sss sst sta stc stg stn sto str sts stt taa tac tag tan tao tar tas tat tca tcc tcg tcn tco tcr tcs tct tga tgc tgg tgn tgo tgr tgs tgt tna tnc tng tnn tno tnr tns tnt to- toa toc tog ton too tor tos tot tra trc trg trn tro trr trs trt tsa tsc tsg tsn tso tsr tss tst tta ttc ttg ttn tto ttr tts ttt