This is fun to riff on. Was there any reason for not starting a section with anything other than 'A'?
aaaa
aaab
aaba
abaa
aabb
OR
aaaa
aaab
aaba
abaa
?baaa?
I wish I had known you in 8th grade - you could have helped me pass Mr. Goldsmith's Algebra class.
But seriously, your posts are rad. Your mind is like a waterslide on a really hot day.