7km2 8km2u 9km2ub alm2 blm2u

wbn2u xbn2ub ybn2 zbn2u 0bn2ub

l2n2ub m2n2 n2n2u o2n2ub p2n2

ato2 bto2u cto2ub dto2 eto2u

zjp2u 0jp2ub 1jp2 2jp2u 3jp2ub