a-a a-t aaa aae aag aan aap aas aat aea aee aeg aen aep aes aet ag- aga age agg agn agp ags agt an- ana ane ang ann anp ans ant ap- apa ape apg apn app aps apt as- asa ase asg asn asp ass ast at- ata ate atg atn atp ats att eaa eae eag ean eap eas eat eea eee eeg een eep ees eet ega ege egg egn egp egs egt en- ena ene eng enn enp ens ent ep- epa epe epg epn epp eps ept es- esa ese esg esn esp ess est eta ete etg etn etp ets ett g-p gaa gae gag gan gap gas gat ge- gea gee geg gen gep ges get gga ggg ggn ggp ggs ggt gna gne gnn gnp gns gnt gpa gpe gpg gpn gpp gps gpt gsa gse gsg gsn gsp gss gst gta gte gtg gtn gtp gts gtt naa nae nag nan nap nas nat ne- nea nee neg nen nep nes net nga nge ngg ngn ngp ngs ngt nna nne nng nnn nnp nns nnt npa npe npg npn npp nps npt nsa nse nsg nsn nsp nss nst nta nte ntg ntn ntp nts ntt p-p paa pae pag pan pap pas pat pea pee peg pen pep pes pet pga pge pgg pgn pgp pgs pgt pn- pna pne png pnn pnp pns pnt ppa ppe ppg ppn ppp pps ppt ps- psa pse psg psn psp pss pst pt- pta pte ptg ptn ptp pts ptt saa sae sag san sap sas sat se- sea see seg sen sep ses set sga sge sgg sgn sgp sgs sgt sna sne sng snn snp sns snt spa spe spg spn spp sps spt ss- ssa sse ssg ssn ssp sss sst sta ste stg stn stp sts stt taa tae tag tan tap tas tat te- tea tee teg ten tep tes tet tga tge tgg tgn tgp tgs tgt tna tne tng tnn tnp tns tnt tpa tpe tpg tpn tpp tps tpt tsa tse tsg tsn tsp tss tst tta tte ttg ttn ttp tts ttt