屉

屉 = 尸 + 世 : Mother Teresa (ti) finds a ghost (尸) in the space station's bathroom (Ø4) and thinks what a poor being it is! It stuffs the ghost into a drawer (屉) and sends it off to the WHO (世) so that they can take care of it.

世 = 廿 + L : Mnemonic symbol: the WTO or WHO.

Sherlock Holmes (sh) is cleaning a flower pot (廿) under the shower of the space station's bathroom (Ø4) with a loofah (L) because he didn't quite understand a poster next to the shower from the WHO (世) explaining dangers arising from different germs.

In this case, L is for loofah.

Sherlock Holmes (sh) is investigating a crime scene with a corpse (尸) in front of the space station (Ø1). The victim's ghost (尸) is trying to give him hints from the afterlife about their killer.