Related Clues:

• Phoebe taking to Greek character
• Gamble with a Greek character
• The Greek 'B'
• Risk money with a Greek character
• Put money on a Greek character
• Back with a letter from foreign parts
• Gamble on a letter to the Greeks
• Component of alphabet (Athenian)
• Yankee getting a letter?
• Greek character, one seeking game by the sound of it
• Program under test 50% improved? That's little advanced
• First test hearing function
• One Greek character born shortly before another
• Ordeal on last test drive
• Risky transaction with a Greek character