public void check(List<String> words) throws MnemonicException {
        toEntropy(words);
    }
@Test(expected = MnemonicException.MnemonicChecksumException.class)
    public void testBadChecksum() throws Exception {
        List<String> words = WHITESPACE_SPLITTER.splitToList("bless cloud wheel regular tiny venue bird web grief security dignity zoo");
        mc.check(words);
    }