blynyddoedd golau

Welsh

(North Wales, standard) IPA^(key): /bləˌnəðɔɨ̯ð ˈɡɔlaɨ̯/
- (North Wales, colloquial) IPA^(key): /bləˌnəðɔɨ̯ð ˈɡɔlɛ/, /bləˌnəðɔɨ̯ð ˈɡɔla/
(South Wales, standard) IPA^(key): /bləˌnəðɔi̯ð ˈɡoːlai̯/, /bləˌnəðɔi̯ð ˈɡɔlai̯/
- (South Wales, colloquial) IPA^(key): /bləˌnəðɔi̯ð ˈɡoːlɛ/, /bləˌnəðɔi̯ð ˈɡɔlɛ/, /bləˌnəðɔð ˈɡoːlɛ/, /bləˌnəðɔð ˈɡɔlɛ/

Welsh mutation
radical	soft	nasal	aspirate
blynyddoedd golau	flynyddoedd golau	mlynyddoedd golau	unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.