7t19 8t19i 9t19ij au19 bu19i

wk29i xk29ij yk29 zk29i 0k29ij

lb39ij mb39 nb39i ob39ij pb39

a239 b239i c239ij d239 e239i

zs49i 0s49ij 1s49 2s49i 3s49ij