-er a-a aaa aae aan aao aar aea aee aen aeo aer an- ana ane ann ano anr aoa aoe aon aoo aor ar- ara are arn aro arr eaa eae ean eao ear eea eee een eeo eer en- ena ene enn eno enr eo- eoa eoe eon eoo eor era ere ern ero err naa nae nan nao nar ne- nea nee nen neo ner nna nne nnn nno no- noa noe non noo nor nra nre nrn nro nrr oaa oae oan oao oar oea oee oen oeo oer on- ona one onn ono onr oo- ooa oon ooo oor or- ora ore orn oro orr ra- raa rae ran rao rar re- rea ree ren reo rer rna rnn rno rnr roa roe ron roo ror rra rrn rrr