map.put("ソ", new String[] { "so" });

        map.put("タ", new String[] { "ta" });
        map.put("チ", new String[] { "ti", "chi" });
        map.put("ツ", new String[] { "tu", "tsu" });
        map.put("テ", new String[] { "te" });
        map.put("ト", new String[] { "to" });

        map.put("ナ", new String[] { "na" });
        map.put("ニ", new String[] { "ni" });

    }

    public void test_convertWithTsu() {
        List<String> results = converter.convert("ツ", null);
        assertTrue(results.contains("tu"));
        assertTrue(results.contains("tsu"));
    }

    public void test_convertWithFu() {
        List<String> results = converter.convert("フ", null);
        assertTrue(results.contains("hu"));
        assertTrue(results.contains("fu"));
    }