a-a a-t aaa aag aap aar aas aat ag- aga agg agp agr ags agt ap- apa apg app apr aps apt ar- ara arg arp arr ars art as- asa asg asp asr ass ast at- ata atg atp atr ats att g-p gaa gag gap gar gas gat gga ggg ggp ggr ggs ggt gpa gpg gpp gpr gps gpt gra grg grp grr grs grt gsa gsg gsp gsr gss gst gta gtg gtp gtr gts gtt p-p paa pag pap par pas pat pga pgg pgp pgr pgs pgt ppa ppg ppp ppr pps ppt pra prg prp prr prs prt ps- psa psg psp psr pss pst pt- pta ptg ptp ptr pts ptt ra- raa rag rap rar ras rat rga rgg rgp rgr rgs rgt rpa rpg rpp rpr rps rpt rra rrg rrp rrr rrs rrt rsa rsg rsp rsr rss rst rta rtg rtp rtr rts rtt saa sag sap sar sas sat sga sgg sgp sgr sgs sgt spa spg spp spr sps spt sr- sra srg srp srr srs srt ss- ssa ssg ssp ssr sss sst sta stg stp str sts stt taa tag tap tar tas tat tga tgg tgp tgr tgs tgt tpa tpg tpp tpr tps tpt tra trg trp trr trs trt tsa tsg tsp tsr tss tst tta ttg ttp ttr tts ttt