Related Clues:

• Both, in the beginning
• Prefix for ''cycle'' or ''state''
• Sesqui- doubled
• Prefix with -logy
• The first "T" of TNT
• The first 'T' in 36-Down
• See 64A
• Prefix with ''sect''
• Prefix with state or angle
• One more than bi-
• Prefix with ''athlete'' or ''angle''
• Prefix on many chemical compound names
• Half of sex-
• TNT component?
• Athlete lead-in