akwn bkwn1 ckwn1h dkwn ekwn1

zaxn1 0axn1h 1axn 2axn1 3axn1h

o1xn1h p1xn q1xn1 r1xn1h s1xn

dsyn esyn1 fsyn1h gsyn hsyn1

2izn1 3izn1h 4izn 5izn1 6izn1h