婦幼

妇 = 女 + 彐 : Frieda Fox (fu) and Bessie Coleman (女), both being women (妇), do women's stuff in the space station's bathroom (Ø4), such as throwing fake pig noses (彐) at each other.

幼 = 力 + 幺 : Mnemonic symbol: a kindergarten.

Maud Younger (y) is taking care of a kindergarten (幼) in the outhouse's bathroom (ou4). To keep the young (幼) children busy she plays blackjack with them, each time dealing a card by pressing a power button (力). To make life not too hard for them, she is exclusively dealing aces (幺).