-er eee eem eeo eer ees eet eie eii eim eio eir eis eit em- eme emi emm emo emr ems emt eo- eoe eoi eom eoo eor eos eot ere eri erm ero err ers ert es- ese esi esm eso esr ess est ete eti etm eto etr ets ett ie- iee iei iem ier ies iet iie iii iim iio iir iis iit im- ime imi imm imo ims imt io- ioe ioi iom ioo ior ios iot ir- ire iri irm iro irr irs irt is- ise isi ism iso isr iss ist ite iti itm ito its itt m-o m-r mee mei mem meo mer mes met mi- mie mii mim mio mir mis mit mme mmi mmm mmo mmr mms mmt moe moi mom moo mor mos mot mre mri mrm mro mrr mrs mrt mse msi msm mso msr mss mst mte mti mtm mto mtr mts mtt o-i oee oei oem oeo oer oes oet oie oii oim oio oir ois oit om- ome omi omm omo omr oms omt oo- ooi oom ooo oor oos oot or- ore ori orm oro orr ors ort os- ose osi osm oso osr oss ost ot- ote oti otm oto otr ots ott re- ree rei rem reo rer res ret rie rii rim rio rir ris rit rme rmi rmm rmo rmr rms rmt roe roi rom roo ror ros rot rri rrm rrr rrs rrt rse rsi rsm rso rsr rss rst rte rti rtm rto rtr rts rtt se- see sei sem seo ser ses set sie sii sim sio sir sis sit sme smi smm smo smr sms smt soe soi som soo sor sos sot sr- sre sri srm sro srr srs srt ss- sse ssi ssm sso ssr sss sst ste sti stm sto str sts stt te- tee tei tem teo ter tes tet tie tii tim tio tir tis tit tme tmi tmm tmo tmr tms tmt to- toe toi tom too tor tos tot tre tri trm tro trr trs trt tse tsi tsm tso tsr tss tst tte tti ttm tto ttr tts ttt