-er a-a aaa aae aag aao aar aas aau aea aee aeg aeo aer aes aeu ag- aga age agg ago agr ags agu aoa aoe aog aoo aor aos aou ar- ara are arg aro arr ars aru as- asa ase asg aso asr ass asu au- aua aue aug auo aur aus eaa eae eag eao ear eas eau eea eee eeg eeo eer ees ega ege egg ego egr egs egu eo- eoa eoe eog eoo eor eos eou era ere erg ero err ers eru es- esa ese esg eso esr ess esu eu- eua eue eug eur eus gaa gae gag gao gar gas gau ge- gea gee geg geo ger ges geu gga ggg ggo ggr ggs ggu goa goe gog goo gor gos gou gra gre grg gro grr grs gru gsa gse gsg gso gsr gss gsu gu- gua gue gug guo gur gus guu oaa oae oag oao oar oas oau oea oee oeg oeo oer oes oga oge ogg ogo ogs oo- ooa oog ooo oor oos or- ora ore org oro orr ors oru os- osa ose osg oso osr oss osu ou- oua oue ouo our ous ra- raa rae rag rao rar ras rau re- rea ree reg reo rer res reu rga rge rgg rgo rgr rgs roa roe rog roo ror ros rou rra rrg rrr rrs rru rsa rse rsg rso rsr rss rsu rua rue rug ruo rur rus ruu saa sae sag sao sar sas sau se- sea see seg seo ser ses seu sga sge sgg sgo sgr sgs sgu soa soe sog soo sor sos sou sr- sra sre srg sro srr srs ss- ssa sse ssg sso ssr sss ssu sua sue sug suo sur sus suu ua- uaa uae uag uao uar uas uau uea uee ueg uer ues uga uge ugg ugo ugr ugs ugu uoa uoe uog uoo uor uos ur- ura ure urg uro urr urs uru usa use usg uso usr uss usu uua uue uug uur uus uuu