Related Clues:

• Petraeus, for ex.
• From ___ Z (full gamut)
• ___-Y (today's twentysomething crowd)
• __ Z
• ___ Z (you name it)
• From __ B: first step
• __-Xer
• -- -Z (thoroughly)
• Xer opener
• Grant, e.g.: Abbr.
• With 69-Down, V.I.P. in the 30-Down
• J. Pershing, for ex.
• D.D.E. was one
• 88 Across's rank (abbr.)
• -- Z (the gamut)