Green glass globes glow greenly. Say it two times?

How can a clam cram in a clean cream can. Say it two times?

I thought a thought but the thought I thought was not the thought I thought I thought. If the thought I thought I thought had been the thought I thought I would not have thought so much?

A happy hippo hopped and hiccupped. Say it two times?

Black background brown background. Brown background black background. Background background black black brown brown?

Peter Piper picked a peck of pickled peppers. If Peter Piper picked a peck of pickled peppers where is the peck of pickled peppers Peter Piper picked?

The thirty three thieves thought that they thrilled the throne throughout Thursday. Say it two times?

Six sleek swans swam swiftly southwards. Say it two times?

Fuzzy Wuzzy was a bear. Fuzzy Wuzzy had no hair. Fuzzy Wuzzy was not very fuzzy was he?

How much wood would a woodchuck chuck if the woodchuck could chuck wood. He would chuck as much wood as he could if a woodchuck could chuck wood?

What noise annoys an oyster. The noise that annoys an oyster is a noise that knows no oyster. Say it two times?

Fred fed Ted bread and Ted fed Fred bread?