-er eee eeg eel eer ees eet ege egg egi egl egr egs egt eie eig eii eil eir eis eit ele elg eli ell elr els elt ere erg eri erl err ers ert es- ese esg esi esl esr ess est ete etg eti etl etr ets ett ge- gee geg gei gel ger ges get ggg ggi ggr ggs ggt gie gig gii gil gir gis git gle glg gli gll glr gls glt gre grg gri grl grr grs grt gse gsg gsi gsl gsr gss gst gte gtg gti gtl gtr gts gtt ie- iee ieg iei iel ier ies iet ige igg igi igl igr igs igt iie iii iil iir iis iit il- ile ilg ili ill ilr ils ilt ir- ire irg iri irl irr irs irt is- ise isg isi isl isr iss ist ite itg iti itl its itt lee leg lei lel ler les let lge lgg lgi lgl lgr lgs lgt lie lig lii lil lir lis lit lle llg lli lll llr lls llt lrg lri lrr lrs lrt lse lsg lsi lsl lsr lss lst lte ltg lti ltl ltr lts ltt re- ree reg rei rel rer res ret rge rgg rgi rgr rgs rgt rie rig rii ril rir ris rit rle rlg rli rll rlr rls rlt rrg rri rrl rrr rrs rrt rse rsg rsi rsl rsr rss rst rte rtg rti rtl rtr rts rtt se- see seg sei sel ser ses set sge sgg sgi sgl sgr sgs sgt sie sig sii sil sir sis sit sle slg sli sll slr sls slt sr- sre srg sri srl srr srs srt ss- sse ssg ssi ssl ssr sss sst ste stg sti stl str sts stt te- tee teg tei tel ter tes tet tge tgg tgi tgl tgr tgs tgt tie tig tii til tir tis tit tle tlg tli tll tlr tls tlt tre trg tri trl trr trs trt tse tsg tsi tsl tsr tss tst tte ttg tti ttl ttr tts ttt