Input (grade 12): The letters Ã - and Ã can be seen as an emoticon, as the upright version of: O (meaning that one is surprised) and: D (meaning that one is very happy).
Output (grade 12): An O or U with an umlaut, Ã -, Ã can be seen as an emoticon, as the upright version of: O (meaning that one is surprised) and: D (meaning that one is very happy).