<Multi_key> <a> <diaeresis> : "ǟ" U01DF # a with diaeresis and macron
<Multi_key> <A> <diaeresis> : "Ǟ" U01DE # A with diaeresis and macron
<Multi_key> <a> <diaeresis> : "ǟ" U01DF # a with diaeresis and macron
<Multi_key> <A> <diaeresis> : "Ǟ" U01DE # A with diaeresis and macron