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  1. O definition and meaning | Collins English Dictionary

  2. O, o | definition in the Cambridge English Dictionary

  3. O - Wikipedia

  4. O/ | What Does O/ Mean? - Cyber Definitions

  5. O | History, Etymology, & Pronunciation | Britannica

  6. O Definition & Meaning - YourDictionary

  7. O, int. & n.² meanings, etymology and more - Oxford English …

  8. O - Meaning & Translations | Collins English Dictionary

  9. O' Definition & Meaning - Merriam-Webster

  10. Letter O – Word Gate

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