Using this Phoenician letter for any 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 The letter was adopted with the value while in the Outdated Italic alphabets, such as the early Latin alphabet. Spotify is unavailable on this https://collinnvybg.imblogs.net/86712008/the-basic-principles-of-o-sapinho-e-a-borboleta