-er a-a aaa aae aao aar aas aav aea aee aeo aer aes aev aoa aoe aoo aor aos aov ar- ara are aro arr ars arv as- asa ase aso asr ass asv av- ava ave avo avr avs eaa eae eao ear eas eav eea eee eeo eer ees eev eo- eoa eoe eoo eor eos era ere ero err ers erv es- esa ese eso esr ess esv eva eve evo evr evs evv oaa oae oao oar oas oav oea oee oeo oer oes oo- ooa ooo oor oos oov or- ora ore oro orr ors orv os- osa ose oso osr oss osv ov- ova ove ovo ovs ovv ra- raa rae rao rar ras rav re- rea ree reo rer res rev roa roe roo ror ros rov rra rrr rrs rsa rse rso rsr rss rsv rva rve rvo rvr rvs rvv saa sae sao sar sas sav se- sea see seo ser ses sev soa soe soo sor sos sov sr- sra sre sro srr srs srv ss- ssa sse sso ssr sss ssv sva sve svo svr svs svv v-a v-e vaa vae vao var vas vav vea vee veo ver ves voa voe voo vor vos vov vra vre vrr vrs vsa vse vso vsr vss vsv vva vvo vvr vvs vvv