Mida tagastab antud funktsioon?

public String loopAlphabet() {
    String alphabet = "abcdefghijklmnopqrstuvwxyz";
    // 'a' ascii code is 97
    String answ = "";
    for (int i = 0; i < alphabet.length(); ++i) {
        int letter = (int) alphabet.charAt(i);
        if (letter % 2 != 0) answ += (char) letter;
    }
    return answ;
}