eee eef eeg eeo eep ees eet ef- efe eff efg efo efp efs eft ege egf egg ego egp egs egt eo- eoe eof eog eoo eop eos eot ep- epe epf epg epo epp eps ept es- ese esf esg eso esp ess est ete etf etg eto etp ets ett fee fef feg feo fep fes fet ffe fff ffg ffo ffp ffs fft fge fgf fgg fgp fgs fgt foe fof fog foo fop fos fot fpe fpg fpo fpp fps fpt fse fsf fsg fso fsp fss fst fte ftf ftg fto ftp fts ftt g-p ge- gee gef geg geo gep ges get gfe gff gfo gfp gfs gft ggg ggo ggp ggs ggt goe gof gog goo gop gos got gpe gpf gpg gpo gpp gps gpt gse gsf gsg gso gsp gss gst gte gtf gtg gto gtp gts gtt oee oef oeg oeo oep oes oet of- ofe off ofg ofo ofp ofs oft oge ogf ogg ogo ogp ogs ogt oo- oof oog ooo oop oos oot op- ope opf opg opo opp ops opt os- ose osf osg oso osp oss ost ot- ote otf otg oto otp ots ott p-p pee pef peg peo pep pes pet pfe pff pfg pfo pfp pfs pft pge pgf pgg pgo pgp pgs pgt poe pof pog poo pop pos pot ppe ppf ppg ppo ppp pps ppt ps- pse psf psg pso psp pss pst pt- pte ptf ptg pto ptp pts ptt se- see sef seg seo sep ses set sfe sff sfg sfo sfp sfs sft sge sgf sgg sgo sgp sgs sgt soe sof sog soo sop sos sot spe spf spg spo spp sps spt ss- sse ssf ssg sso ssp sss sst ste stf stg sto stp sts stt te- tee tef teg teo tep tes tet tfe tff tfg tfo tfp tfs tft tge tgf tgg tgo tgp tgs tgt to- toe tof tog too top tos tot tpe tpf tpg tpo tpp tps tpt tse tsf tsg tso tsp tss tst tte ttf ttg tto ttp tts ttt