The usage of this Phoenician letter for just a vowel seem is due to early Greek alphabets, which adopted the letter "omicron" to characterize the vowel /o/. The letter was adopted with the value inside the Old Italic alphabets, such as the early Latin alphabet. Spotify is unavailable on https://canal-infantil57665.blogminds.com/an-unbiased-view-of-musica-infantil-34041383