刷
=
尸
+
巾
+
刂
:
Sheldon Shrimp (shu) is brushing his teeth (刷) in front of the ashram (a1) when a ghost (尸) appears right in front of him. Like him the ghost has a towel (巾) hung around his neck, but instead of a toothbrush, he uses a kitchen knife (刂) to brush his teeth to purposefully shock Sheldon Shrimp.
入
=
丿
+
㇏
:
Mnemonic symbol: an enter key like on a computer keyboard.
There is a special area in the space station's bathroom (Ø4) which is filled with bananas (丿), but you have to hit an enter key (入) to enter (入). Rachel Rhinoceros (ru) uses a finger (㇏) to press the button and get access to the bananas.