Can you can a can as a canner can can a can?

How can a clam cram in a clean cream can?

A big black bug bit the big black bear, but the big black bear bit the big black bug back.

Green glass globes glow greenly.

If two witches would watch two watches, which witch would watch which watch?

When you write copy you have the right to copyright the copy you write.

There's a sandwich on the sand which was sent by a sane witch.

I scream, you scream, we all scream for ice cream.

She sells sea shells by the seashore.

I wish to wish the wish you wish to wish, but if you wish the wish the witch wishes, I won't wish the wish you wish to wish.

How many cookies could a good cook cook If a good cook could cook cookies?
A good cook could cook as much cookies as a good cook who could cook cookies.

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!

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 that Peter Piper picked?

If one doctor doctors another doctor
Then which doctor is doctoring the doctored doctor?
Does the doctor who doctors the doctor doctor the doctor the way the doctor he is doctoring doctors?
Or does he doctor the doctor the way the doctor who doctors doctors?

I thought a thought,
But the thought I thought wasn’t the thought I thought I thought.
If the thought I thought I thought had been the thought I thought,
I wouldn’t have thought so much.

The thirty three thieves thought that they thrilled the throne throughout Thursday.

One-one was a race horse.
Two-two was one too.
One-one won one race.
Two-two won one too.

She saw Sherif's shoes on the sofa. But was she so sure she saw Sherif's shoes on the sofa?

The great Greek grape growers grow great Greek grapes.

We're real rear wheels.

Near an ear, a nearer ear, a nearly eerie ear.