+ # These are, by the way, fairly arbitrary. "shi xi" to mean "sy" is
+ # particularly weird, but it seems to be what GF intends
+
+ # Simple vowel replacement
+ u'ウィ': 'wi', u'ウゥ': 'wu', u'ウェ': 'we', u'ウォ': 'wo',
+ u'ヴァ': 'va', u'ヴィ': 'vi', u'ヴェ': 've', u'ヴォ': 'vo',