Can you can a can as a canner can can a can? (x3)

If a dog chews shoes, whose shoes does he choose? (x2)

I slit the sheet, the sheet I slit, and on the slitted sheet, I sit. (x2)

How much wood would a woodchuck chuck if a woodchuck could chuck wood? He would chuck, he would, as much as he could, and chuck as much wood as a woodchuck would if a woodchuck could chuck wood. (x1)

Yellow butter, purple jelly, red jam, black bread. Spread it thick, say it quick! Yellow butter, purple jelly, red jam, black bread. Spread it thicker, say it quicker! (x1)

Which witch switched the Swiss wristwatch? (x3)

I thought a thought, but the thought I thought wasn't the thought I thought I had thought. If the thought I thought I had thought, had been the thought I had thought, I wouldn't have thought that thought I thought. (x1)

Peter Piper picked a peck of pickled peppers. A peck of pickled peppers Peter Piper picked. If Peter Piper picked a peck of pickled peppers, where's the peck of pickled peppers Peter Piper picked? (x1)

Fresh fried fish. (x3)

Betty bought some butter, but the butter Betty bought was bitter, so Betty bought some better butter, and the better butter Betty bought was better than the bitter butter Betty bought before. (x1)

Rubber baby buggy bumpers. (x3)

Ted fed Fred bread, and Fred fed Ted bread. (x3)

Specific Pacific (x3)