a-a aaa aae aag aao aas aea aee aeg aeo aes ag- aga age agg ago ags aoa aoe aog aoo aos as- asa ase asg aso ass eaa eae eag eao eas eea eee eeg eeo ees ega ege egg ego egs eo- eoa eoe eog eoo eos es- esa ese esg eso ess gaa gae gag gao gas ge- gea gee geg geo ges gga ggg ggo ggs goa goe gog goo gos gsa gse gsg gso gss oaa oae oag oao oas oea oee oeg oeo oes oga oge ogg ogo ogs oo- ooa oog ooo oos os- osa ose osg oso oss saa sae sag sao sas se- sea see seg seo ses sga sge sgg sgo sgs soa soe sog soo sos ss- ssa sse ssg sso sss