wbau2 vbau ubau23 tbau2 sbau

7k9t 6k9t23 5k9t2 4k9t 3k9t23

iu8t23 hu8t2 gu8t fu8t23 eu8t2

t37t2 s37t r37t23 q37t2 p37t

4c7t 3c7t23 2c7t2 1c7t 0c7t23