Using this Phoenician letter to get a vowel seem is because of the early Greek alphabets, which adopted the letter "omicron" to characterize the vowel /o/. The letter was adopted with the worth while in the Previous Italic alphabets, including the early Latin alphabet. Spotify is unavailable on this https://musicainfantil88765.answerblogs.com/37413719/musica-infantil-for-dummies