sod2 rod2si qod2s pod2 ood2si
3xc2si 2xc2s 1xc2 0xc2si zxc2s
e7b2s d7b2 c7b2si b7b2s a7b2
pgb2 ogb2si ngb2s mgb2 lgb2si
0pa2si zpa2s ypa2 xpa2si wpa2s