-- | Check if argument is one of @\'A\', \'E\', \'I\', \'O\', \'U\', \'Y\'@.
isUpperVowelY :: (FromAscii a, Eq a) => a -> Bool
isUpperVowelY = isUpperVowel <||> is 89
isUpperVowelY :: (FromAscii a, Eq a) => a -> Bool
isUpperVowelY = isUpperVowel <||> is 89
isUpperVowelY = isUpperVowel <||> is 89