ww7s1 vw7s uw7s1v tw7s1 sw7s
756s 656s1v 556s1 456s 356s1v
if6s1v hf6s1 gf6s ff6s1v ef6s1
to5s1 so5s ro5s1v qo5s1 po5s
4x4s 3x4s1v 2x4s1 1x4s 0x4s1v