壳

壳 = 冗 + 士 : The Queen of Hearts (qi) is dating the bachelor (士) in the aorta's bathroom (ao4). The bachelor tries to impress the Queen of Hearts and inhaled a lot of helium (冗), but instead of sounding funny he is just squealing so much that the Queen of Hearts hides under her carapace (壳).

Mnemonic symbol: 冖 shall be represented by a cooking top. Marilyn Monroe (mi-) wants to use the bathroom in the space station (Ø4), but the door is broken! She tries to cover herself with a cooking top (冖) instead.

冗 = 冖 + 几 : Rachel Rhinoceros is looking at some liquid helium, stored in a cooking top on a table inside of the engine. Because it's superfluous, it creeps along the cooking top and flows out of it.

Joan of Arc (ji) is sitting at a small table (几) in front of the space station (Ø1) and reading her Bible, waiting for a message from God.

士 = 十 + 一 : Sherlock Holmes (sh) is meeting the bachelor (士) in the bathroom of the space station (Ø4). Sherlock Holmes is playing a flute (一) for him, and the bachelor is wearing a huge cross (十) around his neck.

冗 = 冖 + 几 : Rachel Rhinoceros is looking at some liquid helium, stored in a cooking top on a table inside of the engine. Because it's superfluous, it creeps along the cooking top and flows out of it.