氥

Mnemonic symbol: a balloon. The Queen of Hearts is disappointed by her balloons. She expected them to float upwards, but in the space station's bathroom, They float randomly in all directions.

西 = 兀 + 囗 : The wild west is largely recognized by the symbol of the cowboy hat.

西 = 兀 + 囗 : Marie Curie has gone crazy from the loneliness in space. In front of the space station, she sits inside of a large wooden box, wearing a cowboy hat and playing a 胡兀尔 fiddle, thinking that she's participating in a square dance in the wild west.