public void check(List<String> words) throws MnemonicException {
        toEntropy(words);
    }
@Test(expected = MnemonicException.MnemonicLengthException.class)
    public void testBadLength() throws Exception {
        List<String> words = WHITESPACE_SPLITTER.splitToList("risk tiger venture dinner age assume float denial penalty hello");
        mc.check(words);
    }