I like phonetic pangrams for language learning, ie:

https://www.quora.com/Is-there-a-text-that-covers-the-entire...

Now, I'll need to try autograms for ____ learning.

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Link in intro is broken. Could be https://web.archive.org/web/20060207093314/http://www.fatraz...

Can't find this one though, http://www.fatrazie.com/numgram.html

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Also, when do they count their zeros?