https://kuula.co/share/collection/7KGTy?logo=0&info=0&fs=1&vr=1&sd=1&initload=0&thumbs=1
K01 C101, C201, C301, C401, C501
k01c101c201c301c501
https://www.fileformat.info/info/unicode/char/c501/index.htm
Unicode Character 'HANGUL SYLLABLE SSEUB' (U+C501)
unicode characterhangulsyllablec501