map.put("ョ", new String[] { "yo" });
        map.put("ッ", new String[] { "tu", "tsu" });

        map.put("ツァ", new String[] { "tsa" });
        map.put("ツィ", new String[] { "tsi" });
        map.put("ツェ", new String[] { "tse" });
        map.put("ツォ", new String[] { "tso" });

        return map;
    }

    private List<StringBuilder> deepCopyBufList(final List<StringBuilder> bufList) {