Related Clues:

• I I I
• Is it as one originally maintained?
• Question substituted by setter in permitted numbers of letters
• Letters between thetas and kappas
• Littlest bits
• Greek letter I's
• Characters in the 'Iliad'?
• I's, in fraternity names
• Infinitesimal or tiny amounts, say, principally
• "Iliad" characters
• One ordinary seaman penning thank you letters
• Scraps of paper I'm obliged to include in sort of map
• Little letters?
• They're next to nothing (except thetas and kappas!)