Related Clues:

• Fire starter?
• Gee preceder
• False start?
• Fresh start?
• It's heard before 'gee'
• Worst grade
• Small apt.
• Grade below dee
• With 61-Down, 14th president's inits.
• Report card no-no
• Dismal grade
• Letter before gee
• Reason for a repeat?
• You don't get credit for one
• 'What the ___, dude?'