-er eee eeg eeo eer ees eet ege egg egi ego egr egs egt eie eig eii eio eir eis eit eo- eoe eog eoi eoo eor eos eot ere erg eri ero err ers ert es- ese esg esi eso esr ess est ete etg eti eto etr ets ett ge- gee geg gei geo ger ges get ggg ggi ggo ggr ggs ggt gie gig gii gio gir gis git goe gog goi goo gor gos got gre grg gri gro grr grs grt gse gsg gsi gso gsr gss gst gte gtg gti gto gtr gts gtt ie- iee ieg iei ier ies iet ige igg igi igo igr igs igt iie iii iio iir iis iit io- ioe iog ioi ioo ior ios iot ir- ire irg iri iro irr irs irt is- ise isg isi iso isr iss ist ite itg iti ito its itt o-i oee oeg oei oeo oer oes oet oge ogg ogi ogo ogs ogt oie oii oio oir ois oit oo- oog ooi ooo oor oos oot or- ore org ori oro orr ors ort os- ose osg osi oso osr oss ost ot- ote otg oti oto otr ots ott re- ree reg rei reo rer res ret rge rgg rgi rgo rgr rgs rgt rie rig rii rio rir ris rit roe rog roi roo ror ros rot rrg rri rrr rrs rrt rse rsg rsi rso rsr rss rst rte rtg rti rto rtr rts rtt se- see seg sei seo ser ses set sge sgg sgi sgo sgr sgs sgt sie sig sii sio sir sis sit soe sog soi soo sor sos sot sr- sre srg sri sro srr srs srt ss- sse ssg ssi sso ssr sss sst ste stg sti sto str sts stt te- tee teg tei teo ter tes tet tge tgg tgi tgo tgr tgs tgt tie tig tii tio tir tis tit to- toe tog toi too tor tos tot tre trg tri tro trr trs trt tse tsg tsi tso tsr tss tst tte ttg tti tto ttr tts ttt