是 = 旦 + 龰 : Mnemonic symbol: a skull, from "to be or not to be".

Sherlock Holmes (sh) starts his day in the space station's bathroom (Ø4) with a mug of coffee (旦). Holding a skull (mnemonic symbol for 是) in his hands, he asks himself "to be, or not to be" (是). He wonders if he can make the skull come back to life using lots of coffee, and injects coffee from his mug into the skull using a syringe (龰).

是 = 日 + 下 + 人 : Mnemonic symbol: a skull, from "to be or not to be".

Sherlock Holmes (sh) watches the Neanderthal Man (人) trying to climb to the sun (日) on a ladder (下) in the space station's bathroom (Ø4). Sherlock is afraid that he'll open the window, so he puts on a big skull (是) and scares him off.

我 = 戈 + 手 : I (我) find Willy Walrus (w) lying motionless in the observatory's living room (o3), and there's a dagger-axe (戈) sticking right in his chest. I (我) try to pull it out while wearing a baseball glove (手).

现 = 王 + 见 : Martin Luther King has a project in which he wants to document the current state of the nation. He has a surveillance camera put up in the anthill's bathroom and interviews Marie Curie about her views about the present time.

在 = 一 + 亻 + 土 : Zorro (z) and Rosa Luxemburg (亻) exist (在) in the airplane's bathroom (ai4). Rosa is in the middle of balancing a flute (一) on her head and on a pile of clay (土). Zorro uses his rapier to inscribe "Z" into the flute, so as to mark that the pronunciation of "在" begins with "z".

还 = 不 + 辶 : Hamlet sees an early exhibit of king Leonidas' gladiator sandals in the airplane's kitchen. However, the exhibition is still not set up but in the progress of being set up, so there's a big sign showing that it's forbidden to touch the sandals.

好 = 女 + 子 : Hamlet visits the wishing well in the aorta and wishes for a good child. A picosecond later, an egg appears, cracks open and Bessie Coleman jumps out.

了 = 乛 + 亅 : Sir Lancelot (l) has completed (了) his preparations to fight the world. There he stands ready, on top of the Elevator (e5), with a sickle (乛) and a crowbar (亅) in his hands.

了 = 乛 + 亅 : Mnemonic symbol from "to finish" and the shape of the character: a prize cup.

Li Qingzhao (li) is responsible for manufacturing a prize cup (了). She only needs to add a poetic engraving. Unfortunately, she suffers from a writer's block. In the aorta's living room (ao3), someone left a cryptic message engraved on the walls using a sickle (乛), which is still lying on the floor. Being an accomplished poet Li Qingzhao is able to understand the message clearly (了), realizes its poetic potential and starts to engrave it on the prize cup using a crowbar (亅).