68r2s5 78r2 88r2s 98r2s5 a9r2
vzs2 wzs2s xzs2s5 yzs2 zzs2s
kqt2s lqt2s5 mqt2 nqt2s oqt2s5
9gu2s5 ahu2 bhu2s chu2s5 dhu2
y7u2 z7u2s 07u2s5 17u2 27u2s