a-a a-t aaa aag aan aap aas aat ag- aga agg agn agp ags agt an- ana ang ann anp ans ant ap- apa apg apn app aps apt as- asa asg asn asp ass ast at- ata atg atn atp ats att g-p gaa gag gan gap gas gat gga ggg ggn ggp ggs ggt gna gnn gnp gns gnt gpa gpg gpn gpp gps gpt gsa gsg gsn gsp gss gst gta gtg gtn gtp gts gtt naa nag nan nap nas nat nga ngg ngn ngp ngs ngt nna nng nnn nnp nns nnt npa npg npn npp nps npt nsa nsg nsn nsp nss nst nta ntg ntn ntp nts ntt p-p paa pag pan pap pas pat pga pgg pgn pgp pgs pgt pn- pna png pnn pnp pns pnt ppa ppg ppn ppp pps ppt ps- psa psg psn psp pss pst pt- pta ptg ptn ptp pts ptt saa sag san sap sas sat sga sgg sgn sgp sgs sgt sna sng snn snp sns snt spa spg spn spp sps spt ss- ssa ssg ssn ssp sss sst sta stg stn stp sts stt taa tag tan tap tas tat tga tgg tgn tgp tgs tgt tna tng tnn tnp tns tnt tpa tpg tpn tpp tps tpt tsa tsg tsn tsp tss tst tta ttg ttn ttp tts ttt