a8r2 b8r2s c8r2st d8r2 e8r2s

zys2s 0ys2st 1ys2 2ys2s 3ys2st

opt2st ppt2 qpt2s rpt2st spt2

dgu2 egu2s fgu2st ggu2 hgu2s

26u2s 36u2st 46u2 56u2s 66u2st