Press [Alt] + [Tab] to switch out of the game without exiting. Start Windows Notepad, then hold [Alt] and type 0610 on the [Keypad]. Highlight the square character that appears and press [Ctrl] + C to copy it. Press [Alt] + [Tab] to switch back to Maple Story and go to the speech bar. Press [Ctrl] + V after any word you enter and a space will appear. Then, type in a censored word and it will no longer be blocked.