kpw1x jpw1 ipw1xn hpw1x gpw1
vyv1 uyv1xn tyv1x syv1 ryv1xn
67u1xn 57u1x 47u1 37u1xn 27u1x
hhu1x ghu1 fhu1xn ehu1x dhu1
sqt1 rqt1xn qqt1x pqt1 oqt1xn