78x7 88x7j 98x7jc a9x7 b9x7j
wzy7j xzy7jc yzy7 zzy7j 0zy7jc
lqz7jc mqz7 nqz7j oqz7jc pqz7
ah07 bh07j ch07jc dh07 eh07j
z707j 0707jc 1707 2707j 3707jc