The rhyme scheme of the poem excerpt you provided is AABABBBB.
- The first two lines rhyme with each other (shake, mistake).
- The third line introduces a new rhyme (sweep).
- The fourth line returns to the rhyme of the first two lines (flake).
- The next three lines (deep, keep, sleep) all rhyme with each other, following the initial AAB pattern.
So the correct answer is AABABBBB.