-er eee eeg eeo eep eer ees eet ege egg ego egp egr egs egt eo- eoe eog eoo eop eor eos eot ep- epe epg epo epp epr eps ept ere erg ero erp err ers ert es- ese esg eso esp esr ess est ete etg eto etp etr ets ett g-p ge- gee geg geo gep ger ges get ggg ggo ggp ggr ggs ggt goe gog goo gop gor gos got gpe gpg gpo gpp gpr gps gpt gre grg gro grp grr grs grt gse gsg gso gsp gsr gss gst gte gtg gto gtp gtr gts gtt oee oeg oeo oep oer oes oet oge ogg ogo ogp ogs ogt oo- oog ooo oop oor oos oot op- ope opg opo opp opr ops opt or- ore org oro orp orr ors ort os- ose osg oso osp osr oss ost ot- ote otg oto otp otr ots ott p-p pee peg peo pep per pes pet pge pgg pgo pgp pgr pgs pgt poe pog poo pop por pos pot ppe ppg ppo ppp ppr pps ppt pre prg pro prp prr prs prt ps- pse psg pso psp psr pss pst pt- pte ptg pto ptp ptr pts ptt re- ree reg reo rep rer res ret rge rgg rgo rgp rgr rgs rgt roe rog roo rop ror ros rot rpe rpg rpo rpp rpr rps rpt rrg rrp rrr rrs rrt rse rsg rso rsp rsr rss rst rte rtg rto rtp rtr rts rtt se- see seg seo sep ser ses set sge sgg sgo sgp sgr sgs sgt soe sog soo sop sor sos sot spe spg spo spp spr sps spt sr- sre srg sro srp srr srs srt ss- sse ssg sso ssp ssr sss sst ste stg sto stp str sts stt te- tee teg teo tep ter tes tet tge tgg tgo tgp tgr tgs tgt to- toe tog too top tor tos tot tpe tpg tpo tpp tpr tps tpt tre trg tro trp trr trs trt tse tsg tso tsp tsr tss tst tte ttg tto ttp ttr tts ttt