a tribe of indigenous people in south China
㐌
=
𠂉
+
也
:
Mnemonic symbol: a savage. The savage (㐌) doesn't know what a key (𠂉) is and is just about to eat the only key to the front door in the space station's kitchen (Ø2), but Maud Younger (y) and the excavator (也) are able to hinder him in the last second.