a-a a-t aaa aag aan aap aar aat ag- aga agg agn agp agr agt an- ana ang ann anp anr ant ap- apa apg apn app apr apt ar- ara arg arn arp arr art at- ata atg atn atp atr att g-p gaa gag gan gap gar gat gga ggg ggn ggp ggr ggt gna gnn gnp gnr gnt gpa gpg gpn gpp gpr gpt gra grg grn grp grr grt gta gtg gtn gtp gtr gtt naa nag nan nap nar nat nga ngg ngn ngp ngt nna nng nnn nnp nnt npa npg npn npp npr npt nra nrg nrn nrp nrr nrt nta ntg ntn ntp ntr ntt p-p paa pag pan pap par pat pga pgg pgn pgp pgr pgt pn- pna png pnn pnp pnr pnt ppa ppg ppn ppp ppr ppt pra prg prn prp prr prt pt- pta ptg ptn ptp ptr ptt ra- raa rag ran rap rar rat rga rgg rgn rgp rgr rgt rna rng rnn rnp rnr rnt rpa rpg rpn rpp rpr rpt rra rrg rrn rrp rrr rrt rta rtg rtn rtp rtr rtt taa tag tan tap tar tat tga tgg tgn tgp tgr tgt tna tng tnn tnp tnr tnt tpa tpg tpn tpp tpr tpt tra trg trn trp trr trt tta ttg ttn ttp ttr ttt