From Archie to Zack

Archie and Zack are inseparable, both in elementary school and outside it, but Archie is having trouble telling Zack about his love, so he writes a letter, from A. to Z.; in fact he writes a lot of letters, but they do not sound right so he hides them--and though his other friends, Zelda, Zinnia, and Zuzella, find the letters, they all understand who the letters are really for.