-er eee eer ees eet eqe eqq eqs eqt ere erq err ers ert es- ese esq esr ess est ete etr ets ett qee qet qqq qre qrs qrt qsr qst qtq qtr qts re- ree req rer res ret rqs rrq rrr rrs rrt rse rsq rsr rss rst rte rtq rtr rts rtt se- see seq ser ses set sqq sqr sqs sr- sre srq srr srs srt ss- sse ssq ssr sss sst ste stq str sts stt te- tee teq ter tes tet tre trq trr trs trt tse tsq tsr tss tst tte ttr tts ttt