Related Clues:

• Word before ''Blast off!''
• Theme of the puzzle
• Combined
• Like many a first-grader
• Unlucky number on a match
• Word surrounding ''on'' and ''by''
• Single word
• Half and half?
• Storied bear contingent
• Sometimes it's for the money
• Tango requirement
• <--
• ___-timer
• Start of a long distance call
• See 40-Across