-er eee eem eer ees eet eie eii eim eir eis eit em- eme emi emm emr ems emt ere eri erm err ers ert es- ese esi esm esr ess est ete eti etm etr ets ett ie- iee iei iem ier ies iet iie iii iim iir iis iit im- ime imi imm ims imt ir- ire iri irm irr irs irt is- ise isi ism isr iss ist ite iti itm its itt m-r mee mei mem mer mes met mi- mie mii mim mir mis mit mme mmi mmm mmr mms mmt mre mri mrm mrr mrs mrt mse msi msm msr mss mst mte mti mtm mtr mts mtt re- ree rei rem rer res ret rie rii rim rir ris rit rme rmi rmm rmr rms rmt rri rrm rrr rrs rrt rse rsi rsm rsr rss rst rte rti rtm rtr rts rtt se- see sei sem ser ses set sie sii sim sir sis sit sme smi smm smr sms smt sr- sre sri srm srr srs srt ss- sse ssi ssm ssr sss sst ste sti stm str sts stt te- tee tei tem ter tes tet tie tii tim tir tis tit tme tmi tmm tmr tms tmt tre tri trm trr trs trt tse tsi tsm tsr tss tst tte tti ttm ttr tts ttt