Many applicable references can be found on the web. Example of a more complete table: https://www.key-shortcut.com/en/writing-systems/%E3%81%B2%E3%82%89%E3%81%

Many applicable references can be found on the web. Example of a more complete table: https://www.key-shortcut.com/en/writing-systems/%E3%81%B2%E3%82%89%E3%81%8C%E3%81%AA-japanese https://www.key-shortcut.com/en/writing-systems/%E3%81%B2%E3... As can be seen in this chart, the code points for Hiragana and Katakana are x60 apart (also pointed out by @innocenat). It's not clear why characters like ん, ン, and ヶ are excluded from the article. They are used extensively in everyday Japanese.