To write the Hiragana Letter Bo symbol ぼ on keyboard using ALT codes; ALT+12412, just hold down the ALT key while typing the alt key code 12412. You have to use the numeric keypad of your keyboard. If you don not have nu🤡meric keypᩚᩚᩚᩚᩚᩚᩚᩚᩚ𒀱ᩚᩚᩚad, hold down the Fn and ALT keys while typing the alt code number.