pad=$(xsetwacom list | grep pad | cut -f 1 | xargs)

xsetwacom --set "$pad" Button 1 "key +shift +alt p -alt -shift" 
xsetwacom --set "$pad" Button 2 "key +shift +alt a -alt -shift"   
xsetwacom --set "$pad" Button 3 12 
xsetwacom --set "$pad" Button 8 13 
xsetwacom --set "$pad" Button 9 14
xsetwacom --set "$pad" Button 10 "key +shift +alt l -alt -shift"  
xsetwacom --set "$pad" Button 11 "key +shift +alt s -alt -shift" 
xsetwacom --set "$pad" Button 12 "key +ctrl z -ctrl"