% Leave diacritics intact in a and e; relevant for phonological realization
á -> a/ / _
à -> a` / _
ã -> a~ / _
é -> e/ / _
è -> e` / _
ẽ -> e~ / _

% Strip all other diacritics
ė́|ė̀|ė̃ -> ė / _
ą́|ą̀|ą̃ -> ą / _
ę́|ę̀|ę̃ -> ę / _
í|ì|ĩ -> i / _
į́|į̀|į̃ -> į / _
ó|ò|õ -> o / _
ú|ù|ũ -> u / _
ū́|ū̀|ū̃ -> ū / _
ų́|ų̀|ų̃ -> ų / _
ý|ỳ|ỹ -> y / _
ḿ|m̀|m̃ -> m / _
ń|ǹ|ñ -> n / _
ŕ|r̀|r̃ -> r / _