-er eee eef eeg eep eer ees eet ef- efe eff efg efi efp efr efs eft ege egf egg egi egp egr egs egt eie eif eig eii eip eir eis eit ep- epe epf epg epi epp epr eps ept ere erf erg eri erp err ers ert es- ese esf esg esi esp esr ess est ete etf etg eti etp etr ets ett fee fef feg fei fep fer fes fet ffe fff ffg ffi ffp ffr ffs fft fge fgf fgg fgi fgp fgr fgs fgt fie fif fig fii fip fir fis fit fpe fpg fpi fpp fpr fps fpt fre frf frg fri frp frr frs frt fse fsf fsg fsi fsp fsr fss fst fte ftf ftg fti ftp ftr fts ftt g-p ge- gee gef geg gei gep ger ges get gfe gff gfi gfp gfr gfs gft ggg ggi ggp ggr ggs ggt gie gif gig gii gip gir gis git gpe gpf gpg gpi gpp gpr gps gpt gre grf grg gri grp grr grs grt gse gsf gsg gsi gsp gsr gss gst gte gtf gtg gti gtp gtr gts gtt i-f ie- iee ief ieg iei iep ier ies iet ife iff ifg ifi ifp ifr ifs ift ige igf igg igi igp igr igs igt iie iif iii iip iir iis iit ipe ipf ipg ipi ipp ipr ips ipt ir- ire irf irg iri irp irr irs irt is- ise isf isg isi isp isr iss ist ite itf itg iti itp its itt p-p pee pef peg pei pep per pes pet pfe pff pfg pfi pfp pfr pfs pft pge pgf pgg pgi pgp pgr pgs pgt pie pif pig pii pip pir pis pit ppe ppf ppg ppi ppp ppr pps ppt pre prf prg pri prp prr prs prt ps- pse psf psg psi psp psr pss pst pt- pte ptf ptg pti ptp ptr pts ptt re- ree ref reg rei rep rer res ret rfe rff rfg rfi rfp rfr rfs rft rge rgf rgg rgi rgp rgr rgs rgt rie rif rig rii rip rir ris rit rpe rpf rpg rpi rpp rpr rps rpt rrf rrg rri rrp rrr rrs rrt rse rsf rsg rsi rsp rsr rss rst rte rtf rtg rti rtp rtr rts rtt se- see sef seg sei sep ser ses set sfe sff sfg sfi sfp sfr sfs sft sge sgf sgg sgi sgp sgr sgs sgt sie sif sig sii sip sir sis sit spe spf spg spi spp spr sps spt sr- sre srf srg sri srp srr srs srt ss- sse ssf ssg ssi ssp ssr sss sst ste stf stg sti stp str sts stt te- tee tef teg tei tep ter tes tet tfe tff tfg tfi tfp tfr tfs tft tge tgf tgg tgi tgp tgr tgs tgt tie tif tig tii tip tir tis tit tpe tpf tpg tpi tpp tpr tps tpt tre trf trg tri trp trr trs trt tse tsf tsg tsi tsp tsr tss tst tte ttf ttg tti ttp ttr tts ttt