def group_anagrams(words: list[str]) -> list[list[str]]:
    # Escribe tu solución aquí
    final = []
    for word in words:
        flag = False
        for ins in final:
            if "".join(sorted(ins[0])) == "".join(sorted(word)): 
                ins.append(word)
                flag = True
                ins.sort()
        if not flag:
            final.append([word])

    def orden(datos):
        return datos[0] 

    new = sorted(final, key=orden)
    return new