Manyogana
While a modern Japanese sentence could be written like this: 私はすしを食べます Watashi-wa sushi-o tabemasu (meaning: I eat sushi), the same sentence written entirely in man'yōgana could be written as 和多氏巴寿司鳥他邊麻須, giving it a more Chinese look. Or, if someone wanted to keep all the kanji the same but replace all the modern kana, the sentence would look like this 私巴寿司鳥食邊麻須.