-er -ey eee eef eep eer ees eet eey ef- efe eff efi efp efr efs eft eie eif eii eip eir eis eit ep- epe epf epi epp epr eps ept ere erf eri erp err ers ert ery es- ese esf esi esp esr ess est esy ete etf eti etp etr ets ett ety eye eyp eyr eys eyt fee fef fei fep fer fes fet fey ffe fff ffi ffp ffr ffs fft ffy fie fif fii fip fir fis fit fpe fpi fpp fpr fps fpt fpy fre frf fri frp frr frs frt fry fse fsf fsi fsp fsr fss fst fte ftf fti ftp ftr fts ftt fty fy- fye fyi fyp i-f ie- iee ief iei iep ier ies iet iey ife iff ifi ifp ifr ifs ift ify iie iif iii iip iir iis iit ipe ipf ipi ipp ipr ips ipt ipy ir- ire irf iri irp irr irs irt iry is- ise isf isi isp isr iss ist isy ite itf iti itp its itt ity iye iyr iys iyt iyy p-p pee pef pei pep per pes pet pey pfe pff pfi pfp pfr pfs pft pfy pie pif pii pip pir pis pit ppe ppf ppi ppp ppr pps ppt pre prf pri prp prr prs prt pry ps- pse psf psi psp psr pss pst psy pt- pte ptf pti ptp ptr pts ptt pty py- pye pyf pyr pys pyt re- ree ref rei rep rer res ret rey rfe rff rfi rfp rfr rfs rft rie rif rii rip rir ris rit riy rpe rpf rpi rpp rpr rps rpt rrf rri rrp rrr rrs rrt rse rsf rsi rsp rsr rss rst rte rtf rti rtp rtr rts rtt rty ry- rye ryf ryr rys ryy se- see sef sei sep ser ses set sey sfe sff sfi sfp sfr sfs sft sie sif sii sip sir sis sit spe spf spi spp spr sps spt spy sr- sre srf sri srp srr srs srt sry ss- sse ssf ssi ssp ssr sss sst ste stf sti stp str sts stt sty sy- sye syi syp syr sys syt te- tee tef tei tep ter tes tet tey tfe tff tfi tfp tfr tfs tft tie tif tii tip tir tis tit tiy tpe tpf tpi tpp tpr tps tpt tre trf tri trp trr trs trt try tse tsf tsi tsp tsr tss tst tsy tte ttf tti ttp ttr tts ttt tty tye tyf typ tyr tys tyt yee yef yei yep yer yes yet yey yfe yff yfr yfs yft yie yif yii yip yir yis yit ypf yps yre yrf yrp yrs yrt yse ysi ysp ysr yss yst ysy yte ytf ytp ytr yts ytt yye yyf yys yyt yyy