1)The black cat sat on a mat and ate a fat rat.
2) Betty Botta bought some butter, But she said, this butter’s bitter. But a bit of better butter will make my batter better.
3)She sells seashells on the seashore, The shells that she sells are seashells, I’m sure.
4) A big black bug bit a big black bear, A big black bear bit a big black bug.
5) Thirty-three thousand people think that Thursday is their thirtieth birthday.