a-a a-i aaa aae aag aai aap aas aax aea aee aeg aei aep aes aex ag- aga age agg agi agp ags agx ai- aia aie aig aii aip ais aix ap- apa ape apg api app aps apx as- asa ase asg asi asp ass asx ax- axa axe axi axp axs axx eaa eae eag eai eap eas eax eea eee eeg eep ees eex ega ege egg egi egp egs egx eia eie eig eii eip eis eix ep- epa epe epg epi epp eps epx es- esa ese esg esi esp ess esx ex- exa exe exi exp exs exx g-p gaa gae gag gai gap gas ge- gea gee geg gei gep ges gex gga ggg ggi ggp ggs gia gie gig gii gip gis gpa gpe gpg gpi gpp gps gpx gsa gse gsg gsi gsp gss gsx gxa gxp gxs ia- iaa iae iag iai iap ias ie- iea iee ieg iei iep ies iex iga ige igg igi igp igs iia iie iii iip iis iix ipa ipe ipg ipi ipp ips ipx is- isa ise isg isi isp iss ixe ixi p-p paa pae pag pai pap pas pax pea pee peg pei pep pes pex pga pge pgg pgi pgp pgs pia pie pig pii pip pis pix ppa ppe ppg ppi ppp pps ppx ps- psa pse psg psi psp pss psx pxe pxg pxs saa sae sag sai sap sas sax se- sea see seg sei sep ses sex sga sge sgg sgi sgp sgs sgx sia sie sig sii sip sis six spa spe spg spi spp sps spx ss- ssa sse ssg ssi ssp sss ssx sxi sxs xaa xag xap xas xee xeg xep xes xex xge xgi xgp xia xie xii xis xix xpa xpe xpg xpp xps xsa xsi xsp xss xxi xxp xxx