Using this Phoenician letter for just a vowel seem is due to early Greek alphabets, which adopted the letter "omicron" to depict the vowel /o/. The letter was adopted with the value in the Aged Italic alphabets, such as the early Latin alphabet. Spotify is unavailable on this browser. https://canalinfantil11098.qodsblog.com/37198045/facts-about-o-sapinho-e-a-borboleta-revealed