Windows
Hold Alt and type 536 on the numeric keypad.
Accents
Copy the character, or use the shortcut that matches your keyboard and app.
All S accentsHold Alt and type 536 on the numeric keypad.
Character Viewer → s comma below
Type 0218 then Alt + X
Insert → Special characters → S comma below
Click the keycap, then paste with Ctrl+V or Cmd+V.
Num Lock on, hold Alt, type 536, release Alt.
Use the Unicode, HTML, CSS, or JS value below in documents and stylesheets.
U+0218ȘȘ\0218\u{0218}Alt + 536