a-a aaa aae aag aao aap aea aee aeg aeo aep ag- aga age agg ago agp aoa aoe aog aoo aop ap- apa ape apg apo app eaa eae eag eao eap eea eee eeg eeo eep ega ege egg ego egp eo- eoa eoe eog eoo eop ep- epa epe epg epo epp g-p gaa gae gag gao gap ge- gea gee geg geo gep gga ggg ggo ggp goa goe gog goo gop gpa gpe gpg gpo gpp oaa oae oag oao oap oea oee oeg oeo oep oga oge ogg ogo ogp oo- ooa oog ooo oop op- opa ope opg opo opp p-p paa pae pag pao pap pea pee peg peo pep pga pge pgg pgo pgp poa poe pog poo pop ppa ppe ppg ppo ppp