def aufzaehler(wordsize):
    qwords = ['']
    rwords = ['']
    for z in range(wordsize):
        tempqwords = []
        for w in qwords:
            if w.count('q') < 2 and len(w) > (wordsize-3+w.count('q')):
                tempqwords.append(w+'q')
                qwords = tempqwords
            elif w.count('q') < 2:
                for i in alphabet:
                    tempqwords.append(w+i)
                else:
                    qwords = tempqwords
            else:
                for i in (alphabet - {'q'}):
                    tempqwords.append(w+i)
                else:
                    qwords = tempqwords
        temprwords = []
        for w in rwords:
            if w.count('r') < 2 and len(w) > (wordsize-3+w.count('r')):
                temprwords.append(w+'r')
                rwords = temprwords
            elif w.count('r') < 2:
                for i in alphabet:
                    temprwords.append(w+i)
                else:
                    rwords = temprwords
            else:
                for i in (alphabet - {'r'}):
                    temprwords.append(w+i)
                else:
                    rwords = temprwords
    else:
        print(len(qwords))
        print(len(rwords))
        return set(qwords + rwords)