-er eee eeo eer ees eet eie eii eio eir eis eit eo- eoe eoi eoo eoq eor eos eot eqe eqq eqs eqt ere eri ero erq err ers ert es- ese esi eso esq esr ess est ete eti eto etr ets ett ie- iee iei ier ies iet iie iii iio iir iis iit io- ioe ioi ioo ior ios iot iqe iqs iqt ir- ire iri iro irq irr irs irt is- ise isi iso isq isr iss ist ite iti ito itq its itt o-i oee oei oeo oer oes oet oie oii oio oir ois oit oo- ooi ooo oor oos oot oqo or- ore ori oro orr ors ort os- ose osi oso osq osr oss ost ot- ote oti oto otr ots ott qee qeo qet qie qio qir qis qit qoi qoo qor qos qqq qre qri qrs qrt qsi qso qsr qst qti qto qtq qtr qts re- ree rei reo req rer res ret rie rii rio riq rir ris rit roe roi roo ror ros rot rqs rri rrq rrr rrs rrt rse rsi rso rsq rsr rss rst rte rti rto rtq rtr rts rtt se- see sei seo seq ser ses set sie sii sio siq sir sis sit soe soi soo soq sor sos sot sqi sqq sqr sqs sr- sre sri sro srq srr srs srt ss- sse ssi sso ssq ssr sss sst ste sti sto stq str sts stt te- tee tei teo teq ter tes tet tie tii tio tir tis tit to- toe toi too toq tor tos tot tqo tre tri tro trq trr trs trt tse tsi tso tsq tsr tss tst tte tti tto ttr tts ttt