Related Clues:

• Oprah's O, for ex.
• Burrowing mammal
• ''SI'' or ''GQ''
• Cosmo, e.g.
• Small pet
• Newsstand buy
• Kiosk buy, briefly
• 'An animal whose eggs you'd probably never eat for breakfast.' '___'
• Periodical
• O or Cosmo
• Rodent
• Pet rodent
• Pet on a wheel
• O, say
• Popular house pet