These popped up on Mastodon, and they’re both clever and silly. I will explain them, but in white text so you can skip that part.
The first one goes back at least five years; I don’t know the originator. Darth Vader goes into a bakery and orders three breads and two apple tarts. Why?
PAIN PAIN PAIN TARTE TATIN TARTE TATIN
Note: Read aloud, this sounds like the Imperial March. Note that pain and tatin both end in an emphasized [æ̃].
Second, this chart. I don’t know who created it, but the post is from one Tichodrome Colvert. This one might sneak up on you— it seems incomplete at first.

Notes: The four cells are chat (cat), chien (dog), rat, rien (nothing).