1、 Upper roller lower roller.
2、 I saw a saw that could not saw any other saw I ever saw.
3、 The sixth sick sheik’s sixth sheep’s sick.
4、 A good cook could cook as many cookies as a good cook who could cook cookies.
5、 Black bug bit a big black bear. But where is the big black bear that the big black bug bit?
6、 A big bug bit the little beetle but the little beetle bit the big bug back.
7、 I’m not the fig plucker,but the fig plucker’s son. But I’ll pluck figs until the fig plucker comes.
8、 If one doctor doctors anther doctor, does the doctor who doctors the doctor doctors the doctor the way the doctor is doctoring doctors? Or does the doctor doctor the way the doctor who doctors doctors?
9、 If a sledding snail went down a slippery slide, would a sail or slide down the slide?