-er eee eer ees eie eii eir eis eqe eqq eqs ere eri erq err ers es- ese esi esq esr ess ie- iee iei ier ies iie iii iir iis iqe iqs ir- ire iri irq irr irs is- ise isi isq isr iss qee qie qir qis qqq qre qri qrs qsi qsr re- ree rei req rer res rie rii riq rir ris rqs rri rrq rrr rrs rse rsi rsq rsr rss se- see sei seq ser ses sie sii siq sir sis sqi sqq sqr sqs sr- sre sri srq srr srs ss- sse ssi ssq ssr sss