r2e20s q2e20 p2e2 o2e20s n2e20

2be20 1be2 0be20s zbe20 ybe2

dld2 cld20s bld20 ald2 9kd20s

ouc20s nuc20 muc2 luc20s kuc20

z3b20 y3b2 x3b20s w3b20 v3b2