Vietnamese Han-Nom spacing mark ca, placed beside a character to show an alternate reading in Chinese-style Vietnamese text.
U+16FF1VIETNAMESE ALTERNATE READING MARK NHAYU+16FF2CHINESE SMALL SIMPLIFIED ERU+16FF3CHINESE SMALL TRADITIONAL ERU+16FF4YANGQIN SIGN SLOW ONE BEATU+16FF5YANGQIN SIGN SLOW THREE HALF BEATSU+16FF6YANGQIN SIGN SLOW TWO BEATSU+16FE4KHITAN SMALL SCRIPT FILLERU+16FE3OLD CHINESE ITERATION MARKU+16FE2OLD CHINESE HOOK MARKU+16FE1NUSHU ITERATION MARKU+16FE0TANGUT ITERATION MARK12 characters in the Ideographic Symbols and Punctuation Unicode block.
U+16FE0TANGUT ITERATION MARKU+16FE1NUSHU ITERATION MARKU+16FE2OLD CHINESE HOOK MARKU+16FE3OLD CHINESE ITERATION MARKU+16FE4KHITAN SMALL SCRIPT FILLERU+16FF0VIETNAMESE ALTERNATE READING MARK CAU+16FF1VIETNAMESE ALTERNATE READING MARK NHAYU+16FF2CHINESE SMALL SIMPLIFIED ERU+16FF3CHINESE SMALL TRADITIONAL ERU+16FF4YANGQIN SIGN SLOW ONE BEATU+16FF5YANGQIN SIGN SLOW THREE HALF BEATSU+16FF6YANGQIN SIGN SLOW TWO BEATS