wao2t xao2tn yao2 zao2t 0ao2tn

l1o2tn m1o2 n1o2t o1o2tn p1o2

asp2 bsp2t csp2tn dsp2 esp2t

ziq2t 0iq2tn 1iq2 2iq2t 3iq2tn

o9q2tn p9q2 q9q2t r9q2tn s9q2