Related Clues:

• Count start
• Low digit
• Singular
• Formal pronoun
• Top-of-the-chart number
• Telephone button that lacks letters
• Bill in a till
• Point value in Scrabble of every letter in this puzzle
• 'What ___?'
• Start for step or stop
• Lunch hour
• Traditional fastball sign
• Start of long-distance dialing
• ''A Chorus Line'' tune
• Word before ''Blast off!''