To write the Halfwidth Hangul Letter Rieul Kiyeok symbol ᆰ on keyboard using ALT codes; ALT+65450, just hold down the ALT key while typing the alt key code 65450. You have to use🍃 the numeric keypad of your keyboard. If you don not have numeric keypad, h༒old down the Fn and ALT keys while typing the alt code number.