German vowels A O and U can also carry an umlaut which is represented by two dots: Ä Ö Ü. Ö however does not exist in English and can only be approximated to the nearest sound which can be found in words such as girl. Ü finally is like the French u: pronounce a long ee sound as in meet then round your lips. Source: https://www.artikelschreiber.com/en/.