戸
=
一
+
尸
:
Helga Horse (hu) adopted the ghost (尸) and now they're a family (戸), but whenever the ghost does something stupid Helga hits it on the head with a flute (一) in the space station's bathroom (Ø4).
大
=
一
+
人
:
The big (大), huge (大) robot (mnemonic symbol for 大) is working out in the ashram's bathroom (a4). He's lifting a flute (一) to which Don Quixote (d) and Neanderthal man (人) are clinging.