-er -ey eee eef eer ees eet eey ef- efe eff efi efr efs eft eie eif eii eir eis eit ere erf eri err ers ert ery es- ese esf esi esr ess est esy ete etf eti etr ets ett ety eye eyr eys eyt fee fef fei fer fes fet fey ffe fff ffi ffr ffs fft ffy fie fif fii fir fis fit fre frf fri frr frs frt fry fse fsf fsi fsr fss fst fte ftf fti ftr fts ftt fty fy- fye fyi i-f ie- iee ief iei ier ies iet iey ife iff ifi ifr ifs ift ify iie iif iii iir iis iit ir- ire irf iri irr irs irt iry is- ise isf isi isr iss ist isy ite itf iti its itt ity iye iyr iys iyt iyy re- ree ref rei rer res ret rey rfe rff rfi rfr rfs rft rie rif rii rir ris rit riy rrf rri rrr rrs rrt rse rsf rsi rsr rss rst rte rtf rti rtr rts rtt rty ry- rye ryf ryr rys ryy se- see sef sei ser ses set sey sfe sff sfi sfr sfs sft sie sif sii sir sis sit sr- sre srf sri srr srs srt sry ss- sse ssf ssi ssr sss sst ste stf sti str sts stt sty sy- sye syi syr sys syt te- tee tef tei ter tes tet tey tfe tff tfi tfr tfs tft tie tif tii tir tis tit tiy tre trf tri trr trs trt try tse tsf tsi tsr tss tst tsy tte ttf tti ttr tts ttt tty tye tyf tyr tys tyt yee yef yei yer yes yet yey yfe yff yfr yfs yft yie yif yii yir yis yit yre yrf yrs yrt yse ysi ysr yss yst ysy yte ytf ytr yts ytt yye yyf yys yyt yyy