eee eeg eeo eep ees eet ege egg ego egp egs egt eo- eoe eog eoo eop eos eot ep- epe epg epo epp eps ept es- ese esg eso esp ess est ete etg eto etp ets ett g-p ge- gee geg geo gep ges get ggg ggo ggp ggs ggt goe gog goo gop gos got gpe gpg gpo gpp gps gpt gse gsg gso gsp gss gst gte gtg gto gtp gts gtt oee oeg oeo oep oes oet oge ogg ogo ogp ogs ogt oo- oog ooo oop oos oot op- ope opg opo opp ops opt os- ose osg oso osp oss ost ot- ote otg oto otp ots ott p-p pee peg peo pep pes pet pge pgg pgo pgp pgs pgt poe pog poo pop pos pot ppe ppg ppo ppp pps ppt ps- pse psg pso psp pss pst pt- pte ptg pto ptp pts ptt se- see seg seo sep ses set sge sgg sgo sgp sgs sgt soe sog soo sop sos sot spe spg spo spp sps spt ss- sse ssg sso ssp sss sst ste stg sto stp sts stt te- tee teg teo tep tes tet tge tgg tgo tgp tgs tgt to- toe tog too top tos tot tpe tpg tpo tpp tps tpt tse tsg tso tsp tss tst tte ttg tto ttp tts ttt