Using this Phoenician letter for just a vowel seem is because of the early Greek alphabets, which adopted the letter "omicron" to symbolize the vowel /o/. The letter was adopted with the value inside the Outdated Italic alphabets, including the early Latin alphabet. Spotify is unavailable on this browser. https://o-sapinho-e-a-borboleta89877.bloggerchest.com/37122142/canal-infantil-things-to-know-before-you-buy