a-a aaa aae aag aap aas aax aea aee aeg aep aes aex ag- aga age agg agp ags agx ap- apa ape apg app aps apx as- asa ase asg asp ass asx ax- axa axe axp axs axx eaa eae eag eap eas eax eea eee eeg eep ees eex ega ege egg egp egs egx ep- epa epe epg epp eps epx es- esa ese esg esp ess esx ex- exa exe exp exs exx g-p gaa gae gag gap gas ge- gea gee geg gep ges gex gga ggg ggp ggs gpa gpe gpg gpp gps gpx gsa gse gsg gsp gss gsx gxa gxp gxs p-p paa pae pag pap pas pax pea pee peg pep pes pex pga pge pgg pgp pgs ppa ppe ppg ppp pps ppx ps- psa pse psg psp pss psx pxe pxg pxs saa sae sag sap sas sax se- sea see seg sep ses sex sga sge sgg sgp sgs sgx spa spe spg spp sps spx ss- ssa sse ssg ssp sss ssx sxs xaa xag xap xas xee xeg xep xes xex xge xgp xpa xpe xpg xpp xps xsa xsp xss xxp xxx