-er eee eeg eer ees eex ege egg egi egr egs egu egx eie eig eii eir eis eiu eix ere erg eri err ers eru es- ese esg esi esr ess esu esx eu- eue eug eui eur eus eux ex- exe exi exr exs exu exx ge- gee geg gei ger ges geu gex ggg ggi ggr ggs ggu gie gig gii gir gis giu gre grg gri grr grs gru grx gse gsg gsi gsr gss gsu gsx gu- gue gug gui gur gus guu gxs ie- iee ieg iei ier ies iex ige igg igi igr igs igu iie iii iir iis iiu iix ir- ire irg iri irr irs iru irx is- ise isg isi isr iss isu iu- iue iug iui iur ius ixe ixi re- ree reg rei rer res reu rex rge rgg rgi rgr rgs rgx rie rig rii rir ris rix rrg rri rrr rrs rru rse rsg rsi rsr rss rsu rsx rue rug rui rur rus ruu rux rxr rxs se- see seg sei ser ses seu sex sge sgg sgi sgr sgs sgu sgx sie sig sii sir sis siu six sr- sre srg sri srr srs srx ss- sse ssg ssi ssr sss ssu ssx sue sug sui sur sus suu sux sxi sxs sxu uee ueg uei uer ues uge ugg ugi ugr ugs ugu ugx uie uig uii uir uis uiu ur- ure urg uri urr urs uru urx use usg usi usr uss usu usx uue uug uur uus uuu uxr uxu xee xeg xer xes xeu xex xge xgi xie xii xis xiu xix xrx xsi xss xue xui xus xxi xxx