Hentaigana (including kanji characters in gyosho and sosho), hiragana, katakana, and ligatures as well as auxiliary words in kanji writing in gyosho or sosho are used as the part of okurigana (kana written after a kanji character to complete the full reading of the word) and postpositional particles, but the more official the document is, the less kana and more kanji is used.
「送り仮名・助詞に該当する部分」に変体仮名（漢字行草書含む）・平仮名・カタカナ・合字、さらには行草書の漢文助辞が使われるが、公式文書に近いほど、仮名部分がなく、漢文調である。