Apostrophe Use: Forming Plurals Of Lowercase Or Uppercase Letters

When you’re trying to describe plural letters, use ‘s after the letter so that it’s clearly identified as a letter, not a word. If, for instance, you write is instead of i’s, your reader will get confused between the verb and the letter i.

Mind your p’s and q’s, my dear!

Alliteration refers to the repetition of a sound, such as all the s’s in Sammy the snake slithered silently.

How am I supposed to write this essay if my keyboard won’t let me type any e’s?!