Related Clues:

• Character who's asked to raise his game, say
• Commentator's one raising game for the final Test
• Risk money with answer in sort of test
• Kind of ray or release
• Software version
• Alpha, ___, gamma ..
• Test letter?
• Something placed above a letter in Greece
• Put money on a letter overseas
• Greek 'b'
• Bride lost heart, getting thank you letter from abroad
• A follower in Greece
• Wager it's a letter from Greece
• Take a chance joining a Greek character
• The Greek letter B