-er eee eef eeg eel eep eer ees eet ef- efe eff efg efi efl efp efr efs eft ege egf egg egi egl egp egr egs egt eie eif eig eii eil eip eir eis eit ele elf elg eli ell elp elr els elt ep- epe epf epg epi epl epp epr eps ept ere erf erg eri erl erp err ers ert es- ese esf esg esi esl esp esr ess est ete etf etg eti etl etp etr ets ett fee fef feg fei fel fep fer fes fet ffe fff ffg ffi ffl ffp ffr ffs fft fge fgf fgg fgi fgl fgp fgr fgs fgt fie fif fig fii fil fip fir fis fit fle flf flg fli fll flp flr fls flt fpe fpg fpi fpl fpp fpr fps fpt fre frf frg fri frl frp frr frs frt fse fsf fsg fsi fsl fsp fsr fss fst fte ftf ftg fti ftl ftp ftr fts ftt g-p ge- gee gef geg gei gel gep ger ges get gfe gff gfi gfl gfp gfr gfs gft ggg ggi ggp ggr ggs ggt gie gif gig gii gil gip gir gis git gle glf glg gli gll glp glr gls glt gpe gpf gpg gpi gpl gpp gpr gps gpt gre grf grg gri grl grp grr grs grt gse gsf gsg gsi gsl gsp gsr gss gst gte gtf gtg gti gtl gtp gtr gts gtt i-f ie- iee ief ieg iei iel iep ier ies iet ife iff ifg ifi ifl ifp ifr ifs ift ige igf igg igi igl igp igr igs igt iie iif iii iil iip iir iis iit il- ile ilf ilg ili ill ilp ilr ils ilt ipe ipf ipg ipi ipl ipp ipr ips ipt ir- ire irf irg iri irl irp irr irs irt is- ise isf isg isi isl isp isr iss ist ite itf itg iti itl itp its itt l-p lee lef leg lei lel lep ler les let lfe lff lfg lfi lfl lfp lfr lfs lft lge lgf lgg lgi lgl lgp lgr lgs lgt lie lif lig lii lil lip lir lis lit lle llf llg lli lll llp llr lls llt lpe lpf lpg lpi lpl lpp lpr lps lpt lrf lrg lri lrp lrr lrs lrt lse lsf lsg lsi lsl lsp lsr lss lst lte ltf ltg lti ltl ltp ltr lts ltt p-p pee pef peg pei pel pep per pes pet pfe pff pfg pfi pfl pfp pfr pfs pft pge pgf pgg pgi pgl pgp pgr pgs pgt pie pif pig pii pil pip pir pis pit ple plf plg pli pll plp plr pls plt ppe ppf ppg ppi ppl ppp ppr pps ppt pre prf prg pri prl prp prr prs prt ps- pse psf psg psi psl psp psr pss pst pt- pte ptf ptg pti ptl ptp ptr pts ptt re- ree ref reg rei rel rep rer res ret rfe rff rfg rfi rfl rfp rfr rfs rft rge rgf rgg rgi rgp rgr rgs rgt rie rif rig rii ril rip rir ris rit rle rlf rlg rli rll rlp rlr rls rlt rpe rpf rpg rpi rpl rpp rpr rps rpt rrf rrg rri rrl rrp rrr rrs rrt rse rsf rsg rsi rsl rsp rsr rss rst rte rtf rtg rti rtl rtp rtr rts rtt se- see sef seg sei sel sep ser ses set sfe sff sfg sfi sfl sfp sfr sfs sft sge sgf sgg sgi sgl sgp sgr sgs sgt sie sif sig sii sil sip sir sis sit sle slf slg sli sll slp slr sls slt spe spf spg spi spl spp spr sps spt sr- sre srf srg sri srl srp srr srs srt ss- sse ssf ssg ssi ssl ssp ssr sss sst ste stf stg sti stl stp str sts stt te- tee tef teg tei tel tep ter tes tet tfe tff tfg tfi tfl tfp tfr tfs tft tge tgf tgg tgi tgl tgp tgr tgs tgt tie tif tig tii til tip tir tis tit tle tlf tlg tli tll tlp tlr tls tlt tpe tpf tpg tpi tpl tpp tpr tps tpt tre trf trg tri trl trp trr trs trt tse tsf tsg tsi tsl tsp tsr tss tst tte ttf ttg tti ttl ttp ttr tts ttt