-er a-a aaa aae aan aao aar aas aea aee aen aeo aer aes an- ana ane ann ano anr ans aoa aoe aon aoo aor aos ar- ara are arn aro arr ars as- asa ase asn aso asr ass eaa eae ean eao ear eas eea eee een eeo eer ees en- ena ene enn eno enr ens eo- eoa eoe eon eoo eor eos era ere ern ero err ers es- esa ese esn eso esr ess naa nae nan nao nar nas ne- nea nee nen neo ner nes nna nne nnn nno nns no- noa noe non noo nor nos nra nre nrn nro nrr nrs nsa nse nsn nso nsr nss oaa oae oan oao oar oas oea oee oen oeo oer oes on- ona one onn ono onr ons oo- ooa oon ooo oor oos or- ora ore orn oro orr ors os- osa ose osn oso osr oss ra- raa rae ran rao rar ras re- rea ree ren reo rer res rna rnn rno rnr rns roa roe ron roo ror ros rra rrn rrr rrs rsa rse rsn rso rsr rss saa sae san sao sar sas se- sea see sen seo ser ses sna sne snn sno snr sns soa soe son soo sor sos sr- sra sre srn sro srr srs ss- ssa sse ssn sso ssr sss