Related Clues:

• One may be passed in class
• A student may pass it
• It helps one remember something
• A or B, but not Y or Z
• Money? There's some in nanotechnology
• Letter school returned
• Quickly written letter
• A little letter which isn't the fifth?
• Oriental dismisses liar with put down
• Aide-memoire backs up the extremes of ethnic classification
• Short informal letter
• Record — piece of music
• Musical unit
• Letter; fame
• Write down what's recalled in native tongue