Related Clues:

• Vowel for Plato
• Tiniest bit of the Greek alphabet?
• Little bit of Greek?
• Greek letter provides very little
• Fishy star finally turns up at ten
• Very small amount, a jot
• Merest amount
• Entry on J's family tree
• Frat vowel
• She-bear: Sp
• Ninth letter of Greek alphabet
• I as in Ilium?
• Greek letter and very small amount
• I, to Greeks
• The least little bit