na nb nc nd ne nf ng nh ni nj nk nl nm nn
ba ba ba ba ba ba ba ba ba ba ba ba ba ba

na nb nc nd ne nf ng nh ni nj nk nl nm nn
bb bb bb bb bb bb bb bb bb bb bb bb bb bb

na nb nc nd ne nf ng nh ni nj nk nl nm nn
bc bc bc bc bc bc bc bc bc bc bc bc bc bc

na nb nc nd ne nf ng nh ni nj nk nl nm nn
bd bd bd bd bd bd bd bd bd bd bd bd bd bd

na nb nc nd ne nf ng nh ni nj nk nl nm nn
be be be be be be be be be be be be be be

na nb nc nd ne nf ng nh ni nj nk nl nm nn
bf bf bf bf bf bf bf bf bf bf bf bf bf bf

na nb nc nd ne nf ng nh ni nj nk nl nm nn
bg bg bg bg bg bg bg bg bg bg bg bg bg bg

na nb nc nd ne nf ng nh ni nj nk nl nm nn
bh bh bh bh bh bh bh bh bh bh bh bh bh bh

na nb nc nd ne nf ng nh ni nj nk nl nm nn
bi bi bi bi bi bi bi bi bi bi bi bi bi bi

na nb nc nd ne nf ng nh ni nj nk nl nm nn
bj bj bj bj bj bj bj bj bj bj bj bj bj bj

na nb nc nd ne nf ng nh ni nj nk nl nm nn
bk bk bk bk bk bk bk bk bk bk bk bk bk bk

na nb nc nd ne nf ng nh ni nj nk nl nm nn
bl bl bl bl bl bl bl bl bl bl bl bl bl bl

na nb nc nd ne nf ng nh ni nj nk nl nm nn
bm bm bm bm bm bm bm bm bm bm bm bm bm bm

na nb nc nd ne nf ng nh ni nj nk nl nm nn
bn bn bn bn bn bn bn bn bn bn bn bn bn bn