Code point
U+311B
Glyph appearance depends on your fonts.
U+311B
LoU+311B BOPOMOFO LETTER O is a Unicode 16.0.0 character in the Other Letter category. It belongs to the Bopomofo block.
Choose the representation you need, then copy its value.
U+311B
12571
ㄛ
ㄛ
E3 84 9B
311B
0000311B
%E3%84%9B
\u311B
\u311B
\u311B
\311B