55 characters in the Yi Radicals Unicode block.
U+A490YI RADICAL QOTU+A491YI RADICAL LIU+A492YI RADICAL KITU+A493YI RADICAL NYIPU+A494YI RADICAL CYPU+A495YI RADICAL SSIU+A496YI RADICAL GGOPU+A497YI RADICAL GEPU+A498YI RADICAL MIU+A499YI RADICAL HXITU+A49AYI RADICAL LYRU+A49BYI RADICAL BBUTU+A49CYI RADICAL MOPU+A49DYI RADICAL YOU+A49EYI RADICAL PUTU+A49FYI RADICAL HXUOU+A4A0YI RADICAL TATU+A4A1YI RADICAL GAU+A4A2YI RADICAL ZUPU+A4A3YI RADICAL CYTU+A4A4YI RADICAL DDURU+A4A5YI RADICAL BURU+A4A6YI RADICAL GGUOU+A4A7YI RADICAL NYOPU+A4A8YI RADICAL TUU+A4A9YI RADICAL OPU+A4AAYI RADICAL JJUTU+A4ABYI RADICAL ZOTU+A4ACYI RADICAL PYTU+A4ADYI RADICAL HMOU+A4AEYI RADICAL YITU+A4AFYI RADICAL VURU+A4B0YI RADICAL SHYU+A4B1YI RADICAL VEPU+A4B2YI RADICAL ZAU+A4B3YI RADICAL JOU+A4B4YI RADICAL NZUPU+A4B5YI RADICAL JJYU+A4B6YI RADICAL GOTU+A4B7YI RADICAL JJIEU+A4B8YI RADICAL WOU+A4B9YI RADICAL DUU+A4BAYI RADICAL SHURU+A4BBYI RADICAL LIEU+A4BCYI RADICAL CYU+A4BDYI RADICAL CUOPU+A4BEYI RADICAL CIPU+A4BFYI RADICAL HXOPU+A4C0YI RADICAL SHATU+A4C1YI RADICAL ZURU+A4C2YI RADICAL SHOPU+A4C3YI RADICAL CHEU+A4C4YI RADICAL ZZIETU+A4C5YI RADICAL NBIEU+A4C6YI RADICAL KE