Windows
Hold Alt and type 7881 on the numeric keypad.
Accents
Copy the character, or use the shortcut that matches your keyboard and app.
All I accentsHold Alt and type 7881 on the numeric keypad.
Character Viewer → i hook above
Type 1EC9 then Alt + X
Insert → Special characters → i hook above
Click the keycap, then paste with Ctrl+V or Cmd+V.
Num Lock on, hold Alt, type 7881, release Alt.
Use the Unicode, HTML, CSS, or JS value below in documents and stylesheets.
U+1EC9ỉỉ\1EC9\u{1EC9}Alt + 7881