msqn nsqn7 osqn7s psqn qsqn7
bjrn7 cjrn7s djrn ejrn7 fjrn7s
09rn7s 19rn 29rn7 39rn7s 49rn
p0sn q0sn7 r0sn7s s0sn t0sn7
ertn7 frtn7s grtn hrtn7 irtn7s