nt jokes but try it and c hw gd u are 
If you understand, say "understand".
If you don't understand, say "don't understand".
But if you understand and say "don't understand".
How do I understand that you understand? Understand!
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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.
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If one doctor doctors another doctor, does the doctor who doctors the
doctor doctor the doctor the way the doctor he is doctoring doctors?
Or does the doctor doctor the way the doctor who doctors doctors?
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How many cans can a canner can, if a canner can can cans?
A canner can can as many cans as a canner can, if a canner can can cans.
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Tie a knot, tie a knot.
Tie a tight, tight knot.
Tie not a knot in the shape of a nought.
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Swan swam over the sea,
Swim, swan, swim!
Swan swam back again
Well swum, swan!
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A Tudor who tooted a flute
tried to tutor two tooters to toot.
Said the two to their tutor,
"Is it harder to toot
or to tutor two tooters to toot?"
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Of all the felt I ever felt,
I never felt a piece of felt
which felt as fine as that felt felt,
when first I felt that felt hat's felt
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Upper roller lower roller Upper roller lower roller.
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