a-a a-t aaa aag aan aar aas aat ag- aga agg agn agr ags agt an- ana ang ann anr ans ant ar- ara arg arn arr ars art as- asa asg asn asr ass ast at- ata atg atn atr ats att gaa gag gan gar gas gat gga ggg ggn ggr ggs ggt gna gnn gnr gns gnt gra grg grn grr grs grt gsa gsg gsn gsr gss gst gta gtg gtn gtr gts gtt naa nag nan nar nas nat nga ngg ngn ngs ngt nna nng nnn nns nnt nra nrg nrn nrr nrs nrt nsa nsg nsn nsr nss nst nta ntg ntn ntr nts ntt ra- raa rag ran rar ras rat rga rgg rgn rgr rgs rgt rna rng rnn rnr rns rnt rra rrg rrn rrr rrs rrt rsa rsg rsn rsr rss rst rta rtg rtn rtr rts rtt saa sag san sar sas sat sga sgg sgn sgr sgs sgt sna sng snn snr sns snt sr- sra srg srn srr srs srt ss- ssa ssg ssn ssr sss sst sta stg stn str sts stt taa tag tan tar tas tat tga tgg tgn tgr tgs tgt tna tng tnn tnr tns tnt tra trg trn trr trs trt tsa tsg tsn tsr tss tst tta ttg ttn ttr tts ttt