-er -ol eee eel eeo eer ees eie eii eil eio eir eis ele eli ell elo elr els eo- eoe eoi eol eoo eor eos ere eri erl ero err ers es- ese esi esl eso esr ess ie- iee iei iel ier ies iie iii iil iio iir iis il- ile ili ill ilo ilr ils io- ioe ioi iol ioo ior ios ir- ire iri irl iro irr irs is- ise isi isl iso isr iss lee lei lel leo ler les lie lii lil lio lir lis lle lli lll llo llr lls loe loi lol loo lor los lri lro lrr lrs lse lsi lsl lso lsr lss o-i oee oei oel oeo oer oes oie oii oil oio oir ois ole oli oll olo ols oo- ooi ool ooo oor oos or- ore ori orl oro orr ors os- ose osi osl oso osr oss re- ree rei rel reo rer res rie rii ril rio rir ris rle rli rll rlo rlr rls roe roi rol roo ror ros rri rrl rrr rrs rse rsi rsl rso rsr rss se- see sei sel seo ser ses sie sii sil sio sir sis sle sli sll slo slr sls soe soi sol soo sor sos sr- sre sri srl sro srr srs ss- sse ssi ssl sso ssr sss