s2ix t2ix1 u2ix1i v2ix w2ix1
htjx1 itjx1i jtjx ktjx1 ltjx1i
6jkx1i 7jkx 8jkx1 9jkx1i akkx
valx walx1 xalx1i yalx zalx1
k1lx1 l1lx1i m1lx n1lx1 o1lx1i