-er eee eeg eep eer ees eet ege egg egi egp egr egs egt eie eig eii eip eir eis eit ep- epe epg epi epp epr eps ept ere erg eri erp err ers ert es- ese esg esi esp esr ess est ete etg eti etp etr ets ett g-p ge- gee geg gei gep ger ges get ggg ggi ggp ggr ggs ggt gie gig gii gip gir gis git gpe gpg gpi gpp gpr gps gpt gre grg gri grp grr grs grt gse gsg gsi gsp gsr gss gst gte gtg gti gtp gtr gts gtt ie- iee ieg iei iep ier ies iet ige igg igi igp igr igs igt iie iii iip iir iis iit ipe ipg ipi ipp ipr ips ipt ir- ire irg iri irp irr irs irt is- ise isg isi isp isr iss ist ite itg iti itp its itt p-p pee peg pei pep per pes pet pge pgg pgi pgp pgr pgs pgt pie pig pii pip pir pis pit ppe ppg ppi ppp ppr pps ppt pre prg pri prp prr prs prt ps- pse psg psi psp psr pss pst pt- pte ptg pti ptp ptr pts ptt re- ree reg rei rep rer res ret rge rgg rgi rgp rgr rgs rgt rie rig rii rip rir ris rit rpe rpg rpi rpp rpr rps rpt rrg rri rrp rrr rrs rrt rse rsg rsi rsp rsr rss rst rte rtg rti rtp rtr rts rtt se- see seg sei sep ser ses set sge sgg sgi sgp sgr sgs sgt sie sig sii sip sir sis sit spe spg spi spp spr sps spt sr- sre srg sri srp srr srs srt ss- sse ssg ssi ssp ssr sss sst ste stg sti stp str sts stt te- tee teg tei tep ter tes tet tge tgg tgi tgp tgr tgs tgt tie tig tii tip tir tis tit tpe tpg tpi tpp tpr tps tpt tre trg tri trp trr trs trt tse tsg tsi tsp tsr tss tst tte ttg tti ttp ttr tts ttt