9tubx4 auub buubx cuubx4 duub

ykvb zkvbx 0kvbx4 1kvb 2kvbx

nbwbx obwbx4 pbwb qbwbx rbwbx4

c2wbx4 d2wb e2wbx f2wbx4 g2wb

1sxb 2sxbx 3sxbx4 4sxb 5sxbx