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Template:Unicode chart Katakana Phonetic Extensions Source: en.wikipedia.org/wiki/Template:Unicode_chart_Katakana_Phonetic_Extensions

Katakana Phonetic Extensions[1]
Official Unicode Consortium code chart (PDF)
  0 1 2 3 4 5 6 7 8 9 A B C D E F
U+31Fx
Notes
1.^ As of Unicode version 16.0