71vd 81vdt 91vdtw a2vd b2vdt

wswdt xswdtw yswd zswdt 0swdtw

ljxdtw mjxd njxdt ojxdtw pjxd

aayd baydt caydtw dayd eaydt

z0ydt 00ydtw 10yd 20ydt 30ydtw