Code point
U+31F2
Glyph appearance depends on your fonts.
U+31F2
LoU+31F2 KATAKANA LETTER SMALL SU is a Unicode 16.0.0 character in the Other Letter category. It belongs to the Katakana Phonetic Extensions block.
Choose the representation you need, then copy its value.
U+31F2
12786
ㇲ
ㇲ
E3 87 B2
31F2
000031F2
%E3%87%B2
\u31F2
\u31F2
\u31F2
\31F2