Possible Clues:

• Tiny fraction of a min.
• Tiny fraction of a min
• Tiny amt. of time
• Fraction of a min
• Minute part of a minute: Abbr.
• Fraction of a min.
• Tiny bit of a min
• Tiny amount of time: Abbr
• Tiny bit of time: Abbr
• Tiny time period: Abbr.