术赤

术 = 丶 + 木 : Mnemonic symbol from 手术: surgeon

术 = 丶 + 木 : In the space station's bathroom the surgeon wants to tickle Sheldon Shrimp with a petal leaf, but Sheldon thinks it's a trap and he wants to cut him open, so he hides behind a Christmas tree.

赤 = 一 + 亦 : Mnemonic symbol: a red letter.

Charlie Chaplin (ch) finds that the also-ran (亦) ran over his flute (一) in the space station's bathroom (Ø4) bare-footed (赤). Angrily he gives the also-ran a red letter (赤).