FANBOYS

= FANBOYS = FANBOYS is a handy way of remembering conjunctions. Memorize this list, and you'll know which words to look at when deciding whether to use a comma or not.
 * F is for FOR
 * A is for AND
 * N is for NOR
 * B is for BUT
 * O is for OR
 * Y is for YET
 * S is for SO

Check the last rule under commas to see how to use these FANBOYS.