6ara1b 5ara1 4ara 3ara1b 2ara1
hkqa1 gkqa fkqa1b ekqa1 dkqa
stpa rtpa1b qtpa1 ptpa otpa1b
32oa1b 22oa1 12oa 02oa1b z2oa1
ecoa1 dcoa ccoa1b bcoa1 acoa