互素

互 = 一 + 彑 : Helga Horse (hu) is freezing in the space station's bathroom (Ø4). She rubs her two front hooves mutually (互) against each other to warm up a little. Even her wet snout (彑) is frozen: she cannot play the flute (一) anymore.

素 = 龶 + 糸 : Susan Saint Bernard (su) has decided to become a vegan (素) and to let everyone know. In the space station's bathroom (Ø4) she manufactures a fancy headdress (龶) in the form of a vegan flower (素) out of her own spider silk (糸) so that everyone who sees her instantly knows that she's vegan (素).