R con R guitarra,<br />
R con R barril, <br />
Rapido ruedan las reudas<br />
Peter Piper picked a peck of pickled peppers;<br />
A peck of pickled peppers Peter Piper picked;<br />
If Peter Piper picked a peck of pickled peppers,<br />
Where's the peck of pickled peppers Peter Piper picked?
Yes, well, she sells syphilis by the see shore, too, but no one ever seems to mention that.
Just look up any tongue twister. Tongue twisters use alliteration with words whose phonetic pronunciations could easily be jumbled up.
Unique New York (say it fast)