a-a aaa aae aag aao aap aas aea aee aeg aeo aep aes ag- aga age agg ago agp ags aoa aoe aog aoo aop aos ap- apa ape apg apo app aps as- asa ase asg aso asp ass eaa eae eag eao eap eas eea eee eeg eeo eep ees ega ege egg ego egp egs eo- eoa eoe eog eoo eop eos ep- epa epe epg epo epp eps es- esa ese esg eso esp ess g-p gaa gae gag gao gap gas ge- gea gee geg geo gep ges gga ggg ggo ggp ggs goa goe gog goo gop gos gpa gpe gpg gpo gpp gps gsa gse gsg gso gsp gss oaa oae oag oao oap oas oea oee oeg oeo oep oes oga oge ogg ogo ogp ogs oo- ooa oog ooo oop oos op- opa ope opg opo opp ops os- osa ose osg oso osp oss p-p paa pae pag pao pap pas pea pee peg peo pep pes pga pge pgg pgo pgp pgs poa poe pog poo pop pos ppa ppe ppg ppo ppp pps ps- psa pse psg pso psp pss saa sae sag sao sap sas se- sea see seg seo sep ses sga sge sgg sgo sgp sgs soa soe sog soo sop sos spa spe spg spo spp sps ss- ssa sse ssg sso ssp sss