-er eee eer ees eev eie eii eir eis eiv ere eri err ers erv es- ese esi esr ess esv eve evi evr evs evv i-v ie- iee iei ier ies iev iie iii iir iis ir- ire iri irr irs irv is- ise isi isr iss isv ive ivi ivr ivs ivv re- ree rei rer res rev rie rii rir ris riv rri rrr rrs rse rsi rsr rss rsv rve rvi rvr rvs rvv se- see sei ser ses sev sie sii sir sis siv sr- sre sri srr srs srv ss- sse ssi ssr sss ssv sve svi svr svs svv v-e vee vei ver ves vi- vie vii vir vis viv vre vri vrr vrs vse vsi vsr vss vsv vvi vvr vvs vvv