o6r1wk p6r1 q6r1w r6r1wk s6r1
dxs1 exs1w fxs1wk gxs1 hxs1w
2nt1w 3nt1wk 4nt1 5nt1w 6nt1wk
reu1wk seu1 teu1w ueu1wk veu1
g5u1 h5u1w i5u1wk j5u1 k5u1w