不端

不 = 丆 + 卜 : Bruno Bear (bu) is setting up a wind wheel (丆) with a voodoo staff (卜) in the space station's bathroom (Ø4). He also puts a "forbidden" sign (mnemonic symbol for 不) on it, to make clear that it may not (不) be stopped.

端 = 立 + 耑 : Doggy Dog (du) is carrying (端) a vase (立) in front of the anthill (an1) and wants to put it right on the race track's starting line (耑). It's just in case he has to use the washroom right before the race.

端 = 立 + 耑 : Doggy Dog (du) is carrying (端) a vase (立) in front of the anthill (an1) and wants to put it right on the race track's starting line (耑). It's just in case he has to use the washroom right before the race.

耑 = 山 + 而 : Mnemonic symbol: the starting line of a race track.

Doggy Dog is waiting for the big race to begin in front if the anthill. There's a gate at the starting line which consists of a fork and a comb. When the race starts, the gate will fling open.