eee eef eem eeo ees eet ef- efe eff efi efm efo efs eft eie eif eii eim eio eis eit em- eme emf emi emm emo ems emt eo- eoe eof eoi eom eoo eos eot es- ese esf esi esm eso ess est ete etf eti etm eto ets ett fee fef fei fem feo fes fet ffe fff ffi ffm ffo ffs fft fie fif fii fim fis fit fme fmf fmi fmm fmo fms fmt foe fof foi fom foo fos fot fse fsf fsi fsm fso fss fst fte ftf fti ftm fto fts ftt i-f ie- iee ief iei iem ies iet ife iff ifi ifm ifo ifs ift iie iif iii iim iio iis iit im- ime imf imi imm imo ims imt io- ioe iof ioi iom ioo ios iot is- ise isf isi ism iso iss ist ite itf iti itm ito its itt m-f m-o mee mef mei mem meo mes met mfe mff mfi mfm mfo mfs mft mi- mie mif mii mim mio mis mit mme mmf mmi mmm mmo mms mmt moe mof moi mom moo mos mot mse msf msi msm mso mss mst mte mtf mti mtm mto mts mtt o-i oee oef oei oem oeo oes oet of- ofe off ofi ofm ofo ofs oft oie oif oii oim oio ois oit om- ome omf omi omm omo oms omt oo- oof ooi oom ooo oos oot os- ose osf osi osm oso oss ost ot- ote otf oti otm oto ots ott se- see sef sei sem seo ses set sfe sff sfi sfm sfo sfs sft sie sif sii sim sio sis sit sme smf smi smm smo sms smt soe sof soi som soo sos sot ss- sse ssf ssi ssm sso sss sst ste stf sti stm sto sts stt te- tee tef tei tem teo tes tet tfe tff tfi tfm tfo tfs tft tie tif tii tim tio tis tit tme tmf tmi tmm tmo tms tmt to- toe tof toi tom too tos tot tse tsf tsi tsm tso tss tst tte ttf tti ttm tto tts ttt