ae9s 9d9sqd 8d9sq 7d9s 6d9sqd
ln8sqd kn8sq jn8s in8sqd hn8sq
ww7sq vw7s uw7sqd tw7sq sw7s
756s 656sqd 556sq 456s 356sqd
if6sqd hf6sq gf6s ff6sqd ef6sq