There is not discernible difference between them.
Answer:
The rhyme sheme is AA, BB, CC, and so on until you hit the end. Hope this helps!!
Explanation:
It is usually marked by letters. Such as ababbcc. That shows what lines rhyme with other lines. There's also AABB, ABAB (shwing that line a rhymes with line a, then line b rhymes with line b. It goes line a, line be, line a, line b.
~Silver