Related Clues:

• The thank-you letter
• Eighth in an alphabet series
• Greek symbol for plane angles
• Atheist is leaving angry letter
• Trig angle symbol
• Dry man inside with a foreign letter
• Not using force, stealing a letter
• The thanks one gets from a Greek character
• Cad isn't mentioned in attached letter from Greece
• Trigonometry symbol
• Male entering race ahead of a Greek character
• Third letter after epsilon
• Character in Greek article volunteers
• Greek letter after eta
• Symbol in trigonometry