one more phoneme char for en-uk

utils/text/symbols.py

@@ -15,7 +15,7 @@ _punctuations = '!\'(),-.:;? '
 # TODO: include more phoneme characters for other languages.
 _phonemes = ['l','ɹ','ɜ','ɚ','k','u','ʔ','ð','ɐ','ɾ','ɑ','ɔ','b','ɛ','t','v','n','m','ʊ','ŋ','s',
              'ʌ','o','ʃ','i','p','æ','e','a','ʒ',' ','h','ɪ','ɡ','f','r','w','ɫ','ɬ','d','x','ː',
-             'ᵻ','ə','j','θ','z']
+             'ᵻ','ə','j','θ','z','ɒ']
 
 _phonemes = sorted(list(set(_phonemes)))