def METHOD_NAME(self):
    inew = self.inputs.new
    inew(GENERIC_SOCKET, "Selected").prop_name = "selected"
    for group in range(MAX_NUM_SWITCHES):
        socket = inew(SEPARATOR_SOCKET, f"Separator {group}")
        for set_item in range(MAX_SET_SIZE):
            inew(GENERIC_SOCKET, f"{GREEK_LABELS[group]} {set_item}")