Related Clues:

• Blood groups
• Casting categories
• Classes or groups
• Composes email
• Uses an Underwood
• Works at the keyboard
• Uses a keyboard; sorts
• Ilks
• Sorts letters, with opening of sack
• Hunts and pecks, e.g
• Sorts; kinds
• Sorts letters, perhaps
• Enters with keys
• Enters, in a way
• Uses a keyboard and classifies