Related Clues:

• The first is inside it at first
• Comes first inside it at the top
• Not out of it at first at first
• April Fool's Day sign
• Pisces' neighbor
• Occurring at the beginning
• Monogram character
• April Fools' Day sign
• First I go with Latin I, but switched
• Starting with a capital letter, usually
• Beginning a letter
• The sign changes when you subtract 5
• Beginning to subscribe minimally
• Opening letter
• The bee in one's bonnet?