(bound form) base; foundation / (bound form) radical (chemistry) / (bound form) gay (loanword from English into Cantonese, Jyutping: gei1, followed by orthographic borrowing from Cantonese)
基
=
其
+
土
:
Joan of Arc (ji) has to repair the watchtower (其) In front of the space station (Ø1). The tower needs a new foundation (基), and because it is floating in outer space, Joan of Arc can just add some dirt (土) to its base (基) to create a new foundation.
础
=
出
+
石
:
Chantal Chicken (chu) has to leave the space station (Ø3) quickly, but the emergency exit (出) is blocked by a big rock (石). Chantal has no other choice but to dig a tunnel through the space station's foundation (础).
教
=
孝
+
攵
:
Joan of Arc joined an apocalyptic religious sect that taught her to dig her own grave. Wearing a mourning veil, she breaks the floor of the aorta's bathroom open using a sledgehammer.
育
=
亠
+
厶
+
月
:
Yu the Great (yu) wants to rear (育) a fake nose (厶) she found in the space station's bathroom (Ø4), so she made a nest out of the moon (月), put the fake nose on top of it, covered the fake nose with a cozy beret (亠) and sits on top of the beret to keep the fake nose warm and rear it.