-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 epz ere erf erg eri erp err ers ert erz es- ese esf esg esi esp esr ess est ete etf etg eti etp etr ets ett etz eze ezf ezr ezs ezz fee fef feg fei fep fer fes fet fez ffe fff ffg ffi ffp ffr ffs fft ffz fge fgf fgg fgi fgp fgr fgs fgt fgz fie fif fig fii fip fir fis fit fiz 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 ftz g-p ge- gee gef geg gei gep ger ges get gez gfe gff gfi gfp gfr gfs gft gfz ggg ggi ggp ggr ggs ggt ggz gie gif gig gii gip gir gis git giz gpe gpf gpg gpi gpp gpr gps gpt gpz gre grf grg gri grp grr grs grt gse gsf gsg gsi gsp gsr gss gst gte gtf gtg gti gtp gtr gts gtt gzp gzr i-f ie- iee ief ieg iei iep ier ies iet ife iff ifg ifi ifp ifr ifs ift ifz 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 itz ize izi izz p-p pee pef peg pei pep per pes pet pez pfe pff pfg pfi pfp pfr pfs pft pge pgf pgg pgi pgp pgr pgs pgt pie pif pig pii pip pir pis pit piz ppe ppf ppg ppi ppp ppr pps ppt ppz pre prf prg pri prp prr prs prt prz ps- pse psf psg psi psp psr pss pst pt- pte ptf ptg pti ptp ptr pts ptt ptz pzp pzt re- ree ref reg rei rep rer res ret rez rfe rff rfg rfi rfp rfr rfs rft rfz rge rgf rgg rgi rgp rgr rgs rgt rie rif rig rii rip rir ris rit riz rpe rpf rpg rpi rpp rpr rps rpt rpz rrf rrg rri rrp rrr rrs rrt rse rsf rsg rsi rsp rsr rss rst rte rtf rtg rti rtp rtr rts rtt rtz rze se- see sef seg sei sep ser ses set sez sfe sff sfg sfi sfp sfr sfs sft sfz sge sgf sgg sgi sgp sgr sgs sgt sie sif sig sii sip sir sis sit spe spf spg spi spp spr sps spt spz sr- sre srf srg sri srp srr srs srt ss- sse ssf ssg ssi ssp ssr sss sst ssz ste stf stg sti stp str sts stt stz sze szi szp szr te- tee tef teg tei tep ter tes tet tez tfe tff tfg tfi tfp tfr tfs tft tge tgf tgg tgi tgp tgr tgs tgt tgz tie tif tig tii tip tir tis tit tiz tpe tpf tpg tpi tpp tpr tps tpt tpz tre trf trg tri trp trr trs trt trz tse tsf tsg tsi tsp tsr tss tst tte ttf ttg tti ttp ttr tts ttt tze tzf tzs z-g zee zef zep zer zes zet zez zfr zfs zgg zgi zgs zie zif zig zip zir zis zit ziz zpe zpf zpg zpi zpp zpr zpt zrp zrs zse zsg zsi zst zsz zte ztr zzr zzs zzt zzz