Related Clues:

• Surveyor's finding
• 'Beg pardon!'
• Apologetic cry
• 'Didn't intend for that!'
• "I goofed!"
• 'My b'
• Nothing to repeat, I should add -- oh dear!
• Oaf's exclamation
• Exclamation on making a minor mistake
• Reaction to a trip
• "Didn't mean to drop that!"
• Sound of clumsiness
• Old, old rider: I just fell off?
• Dreaded utterance from a surgeon
• Remark after a spill