Related Clues:

• That would make one slip for a letter in Greece
• Greek character piles on the agony
• Greek character gets over speech defect in time
• Greek character bust one's lip
• Is Latin? Nope, different — a Greek letter
• … letter spoiled by one slip
• First letter is open, perhaps letter from abroad
• One's lip (anag)
• Record store never opening letter
• Fifth star in a constellation
• Greek letter - pinoles (anag)
• Greek letter records strange lion
• Greek E
• Greek character rebuilt pen enclosing grain store
• Greek character's name given to old record store