Related Clues:

• First to come?
• Not-so-great grade
• So so grade
• Honor student's blemish, perhaps
• Unexciting grade
• Dee lead-in
• Advertising notice
• Gnarls Barkley's ___ Lo
• "Cinderella" opener?
• Rap's ___ Lo Green
• Letter upon which this puzzle's theme is built
• Semi- circle
• ___ Lo Green ('Fuck You' singer)
• 2.0 GPA component, probably
• Shape of a clamp