pbut qbut2 rbut2d sbut tbut2

e2ut2 f2ut2d g2ut h2ut2 i2ut2d

3svt2d 4svt 5svt2 6svt2d 7svt

sjwt tjwt2 ujwt2d vjwt wjwt2

haxt2 iaxt2d jaxt kaxt2 laxt2d