-er eee eeg eer ees eet ege egg egr egs egt ere erg err ers ert es- ese esg esr ess est ete etg etr ets ett ge- gee geg ger ges get ggg ggr ggs ggt gre grg grr grs grt gse gsg gsr gss gst gte gtg gtr gts gtt re- ree reg rer res ret rge rgg rgr rgs rgt rrg rrr rrs rrt rse rsg rsr rss rst rte rtg rtr rts rtt se- see seg ser ses set sge sgg sgr sgs sgt sr- sre srg srr srs srt ss- sse ssg ssr sss sst ste stg str sts stt te- tee teg ter tes tet tge tgg tgr tgs tgt tre trg trr trs trt tse tsg tsr tss tst tte ttg ttr tts ttt