map.put("ウィ", new String[] { "wi" });
        map.put("ウェ", new String[] { "we" });
        map.put("ウォ", new String[] { "wo" });

        map.put("ガ", new String[] { "ga" });
        map.put("ギ", new String[] { "gi" });
        map.put("グ", new String[] { "gu" });
        map.put("ゲ", new String[] { "ge" });
        map.put("ゴ", new String[] { "go" });