Today, each syllable in Japanese is represented by a single hiragana. But this wasn't always the case: for more than a millennium, individual syllables were written using a variety of hiragana, each based on the cursive form of a different kanji. In modern times, these traditional kana came to be known as hentaigana, or "variant kana." The kanji from which hentaigana were derived are called jibo, "parent characters." Teaching yourself to read hentaigana has always had a reputation for being ted