-er -ol eee eeg eek eel eeo eer ees ege egg egi egl ego egr egs eie eig eii eik eil eio eir eis eke ekg eki ekl eko ekr eks ele elg eli elk ell elo elr els eo- eoe eog eoi eok eol eoo eor eos ere erg eri erk erl ero err ers es- ese esg esi esk esl eso esr ess ge- gee geg gei gek gel geo ger ges ggg ggi ggo ggr ggs gie gig gii gik gil gio gir gis gko gks gle glg gli glk gll glo glr gls goe gog goi gok gol goo gor gos gre grg gri grk grl gro grr grs gse gsg gsi gsk gsl gso gsr gss ie- iee ieg iei iek iel ier ies ige igg igi igk igl igo igr igs iie iii iil iio iir iis ike iki ikk ikl iko ikr iks il- ile ilg ili ilk ill ilo ilr ils io- ioe iog ioi iol ioo ior ios ir- ire irg iri irk irl iro irr irs is- ise isg isi isk isl iso isr iss ke- kee keg kei kek kel keo ker kes kgi kgl kgo kgs kie kig kii kik kil kio kir kis kke kki kkk kkl kkr kks kl- klg kli klo klr kls koe kog koi kok kol koo kor kos krg kri krk krl kro krr krs kse ksg ksi ksk ksl kso ksr kss lee leg lei lek lel leo ler les lge lgg lgi lgk lgl lgo lgr lgs lie lig lii lik lil lio lir lis lkg lkl lkr lks lle llg lli llk lll llo llr lls loe log loi lok lol loo lor los lrg lri lrk lro lrr lrs lse lsg lsi lsk lsl lso lsr lss o-i oee oeg oei oel oeo oer oes oge ogg ogi ogl ogo ogs oie oii oik oil oio oir ois oke okg oki okk okl oko okr oks ole olg oli olk oll olo ols oo- oog ooi ook ool ooo oor oos or- ore org ori ork orl oro orr ors os- ose osg osi osk osl oso osr oss re- ree reg rei rek rel reo rer res rge rgg rgi rgk rgo rgr rgs rie rig rii rik ril rio rir ris rke rkg rkk rko rks rle rlg rli rll rlo rlr rls roe rog roi rok rol roo ror ros rrg rri rrk rrl rrr rrs rse rsg rsi rsk rsl rso rsr rss se- see seg sei sek sel seo ser ses sge sgg sgi sgk sgl sgo sgr sgs sie sig sii sik sil sio sir sis sk- ske skg ski skk skl sko skr sks sle slg sli slk sll slo slr sls soe sog soi sok sol soo sor sos sr- sre srg sri srk srl sro srr srs ss- sse ssg ssi ssk ssl sso ssr sss