a-a aaa aae aag aan aap aas aea aee aeg aen aep aes ag- aga age agg agn agp ags an- ana ane ang ann anp ans ap- apa ape apg apn app aps as- asa ase asg asn asp ass eaa eae eag ean eap eas eea eee eeg een eep ees ega ege egg egn egp egs en- ena ene eng enn enp ens ep- epa epe epg epn epp eps es- esa ese esg esn esp ess g-p gaa gae gag gan gap gas ge- gea gee geg gen gep ges gga ggg ggn ggp ggs gna gne gnn gnp gns gpa gpe gpg gpn gpp gps gsa gse gsg gsn gsp gss naa nae nag nan nap nas ne- nea nee neg nen nep nes nga nge ngg ngn ngp ngs nna nne nng nnn nnp nns npa npe npg npn npp nps nsa nse nsg nsn nsp nss p-p paa pae pag pan pap pas pea pee peg pen pep pes pga pge pgg pgn pgp pgs pn- pna pne png pnn pnp pns ppa ppe ppg ppn ppp pps ps- psa pse psg psn psp pss saa sae sag san sap sas se- sea see seg sen sep ses sga sge sgg sgn sgp sgs sna sne sng snn snp sns spa spe spg spn spp sps ss- ssa sse ssg ssn ssp sss