7j1n 8j1n2 9j1n2u ak1n bk1n2

wa2n2 xa2n2u ya2n za2n2 0a2n2u

l12n2u m12n n12n2 o12n2u p12n

as3n bs3n2 cs3n2u ds3n es3n2

zi4n2 0i4n2u 1i4n 2i4n2 3i4n2u