-er eee eef eeg eeo eep eer ees eet ef- efe eff efg efo efp efr efs eft ege egf egg ego egp egr egs egt eo- eoe eof eog eoo eop eor eos eot ep- epe epf epg epo epp epr eps ept ere erf erg ero erp err ers ert es- ese esf esg eso esp esr ess est ete etf etg eto etp etr ets ett fee fef feg feo fep fer fes fet ffe fff ffg ffo ffp ffr ffs fft fge fgf fgg fgp fgr fgs fgt foe fof fog foo fop for fos fot fpe fpg fpo fpp fpr fps fpt fre frf frg fro frp frr frs frt fse fsf fsg fso fsp fsr fss fst fte ftf ftg fto ftp ftr fts ftt g-p ge- gee gef geg geo gep ger ges get gfe gff gfo gfp gfr gfs gft ggg ggo ggp ggr ggs ggt goe gof gog goo gop gor gos got gpe gpf gpg gpo gpp gpr gps gpt gre grf grg gro grp grr grs grt gse gsf gsg gso gsp gsr gss gst gte gtf gtg gto gtp gtr gts gtt oee oef oeg oeo oep oer oes oet of- ofe off ofg ofo ofp ofr ofs oft oge ogf ogg ogo ogp ogs ogt oo- oof oog ooo oop oor oos oot op- ope opf opg opo opp opr ops opt or- ore orf org oro orp orr ors ort os- ose osf osg oso osp osr oss ost ot- ote otf otg oto otp otr ots ott p-p pee pef peg peo pep per pes pet pfe pff pfg pfo pfp pfr pfs pft pge pgf pgg pgo pgp pgr pgs pgt poe pof pog poo pop por pos pot ppe ppf ppg ppo ppp ppr pps ppt pre prf prg pro prp prr prs prt ps- pse psf psg pso psp psr pss pst pt- pte ptf ptg pto ptp ptr pts ptt re- ree ref reg reo rep rer res ret rfe rff rfg rfo rfp rfr rfs rft rge rgf rgg rgo rgp rgr rgs rgt roe rof rog roo rop ror ros rot rpe rpf rpg rpo rpp rpr rps rpt rrf rrg rrp rrr rrs rrt rse rsf rsg rso rsp rsr rss rst rte rtf rtg rto rtp rtr rts rtt se- see sef seg seo sep ser ses set sfe sff sfg sfo sfp sfr sfs sft sge sgf sgg sgo sgp sgr sgs sgt soe sof sog soo sop sor sos sot spe spf spg spo spp spr sps spt sr- sre srf srg sro srp srr srs srt ss- sse ssf ssg sso ssp ssr sss sst ste stf stg sto stp str sts stt te- tee tef teg teo tep ter tes tet tfe tff tfg tfo tfp tfr tfs tft tge tgf tgg tgo tgp tgr tgs tgt to- toe tof tog too top tor tos tot tpe tpf tpg tpo tpp tpr tps tpt tre trf trg tro trp trr trs trt tse tsf tsg tso tsp tsr tss tst tte ttf ttg tto ttp ttr tts ttt