The use of this Phoenician letter to get a vowel seem is mainly because of the early Greek alphabets, which adopted the letter "omicron" to stand for the vowel /o/. The letter was adopted with the worth while in the Previous Italic alphabets, such as the early Latin alphabet. https://o-sapinho-e-a-borboleta67776.ampedpages.com/new-step-by-step-map-for-musica-infantil-64005924