xnulbs
ynul
znulb
0nulbs
1nul
mevl
nevlb
oevlbs
pevl
qevlb
b5vlb
c5vlbs
d5vl
e5vlb
f5vlbs
0vwlbs
1vwl
2vwlb
3vwlbs
4vwl
pmxl
qmxlb
rmxlbs
smxl
tmxlb