-er eee eef eem eeo eer ees eet ef- efe eff efi efm efo efr efs eft eie eif eii eim eio eir eis eit em- eme emf emi emm emo emr ems emt eo- eoe eof eoi eom eoo eor eos eot ere erf eri erm ero err ers ert es- ese esf esi esm eso esr ess est ete etf eti etm eto etr ets ett fee fef fei fem feo fer fes fet ffe fff ffi ffm ffo ffr ffs fft fie fif fii fim fir fis fit fme fmf fmi fmm fmo fmr fms fmt foe fof foi fom foo for fos fot fre frf fri frm fro frr frs frt fse fsf fsi fsm fso fsr fss fst fte ftf fti ftm fto ftr fts ftt i-f ie- iee ief iei iem ier ies iet ife iff ifi ifm ifo ifr ifs ift iie iif iii iim iio iir iis iit im- ime imf imi imm imo ims imt io- ioe iof ioi iom ioo ior ios iot ir- ire irf iri irm iro irr irs irt is- ise isf isi ism iso isr iss ist ite itf iti itm ito its itt m-f m-o m-r mee mef mei mem meo mer mes met mfe mff mfi mfm mfo mfr mfs mft mi- mie mif mii mim mio mir mis mit mme mmf mmi mmm mmo mmr mms mmt moe mof moi mom moo mor mos mot mre mrf mri mrm mro mrr mrs mrt mse msf msi msm mso msr mss mst mte mtf mti mtm mto mtr mts mtt o-i oee oef oei oem oeo oer oes oet of- ofe off ofi ofm ofo ofr ofs oft oie oif oii oim oio oir ois oit om- ome omf omi omm omo omr oms omt oo- oof ooi oom ooo oor oos oot or- ore orf ori orm oro orr ors ort os- ose osf osi osm oso osr oss ost ot- ote otf oti otm oto otr ots ott re- ree ref rei rem reo rer res ret rfe rff rfi rfm rfo rfr rfs rft rie rif rii rim rio rir ris rit rme rmf rmi rmm rmo rmr rms rmt roe rof roi rom roo ror ros rot rrf rri rrm rrr rrs rrt rse rsf rsi rsm rso rsr rss rst rte rtf rti rtm rto rtr rts rtt se- see sef sei sem seo ser ses set sfe sff sfi sfm sfo sfr sfs sft sie sif sii sim sio sir sis sit sme smf smi smm smo smr sms smt soe sof soi som soo sor sos sot sr- sre srf sri srm sro srr srs srt ss- sse ssf ssi ssm sso ssr sss sst ste stf sti stm sto str sts stt te- tee tef tei tem teo ter tes tet tfe tff tfi tfm tfo tfr tfs tft tie tif tii tim tio tir tis tit tme tmf tmi tmm tmo tmr tms tmt to- toe tof toi tom too tor tos tot tre trf tri trm tro trr trs trt tse tsf tsi tsm tso tsr tss tst tte ttf tti ttm tto ttr tts ttt