Some letters in the English alphabet are symmetrical, in other words they read the same even if you turn them upside-down.

As an example, the letter "H" is still the letter H even when viewed upside-down. Any word which is made entirely of symmetrical letters is called an Ambigram. Click on the image to turn it upside-down.

The word "AMBIGUITY" has almost no symmetrical letters. None-the-less, typographer John Langdon, has cleverly redesigned the word into a symmetrical ambigram in the example on the left.

Credits: 1988 John Langdon, Wenonah, NJ.
Java Applet: 1998 Tony Azevedo

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