洞洞鞋

洞 = 同 + 氵 : Doggy Dog (du) finds two twins (同) have fallen down the cave (洞) in the engine's bathroom ((e)ng4). He immediately begins to dig a tunnel to bring them a bottle of water (氵) until more help arrives.

鞋 = 圭 + 革 : Marie Curie (xi) made herself some shoes (鞋) and tries them on in the elevator's kitchen (e2). She cut the shoes out of a cow's hide (革) of which shreds are scattered all around. The shoes are a bit small, so Marie needs to use a jade tablet (圭) as shoehorn to get into the shoe.

鞋 = 圭 + 革 : Marie Curie (xi) made herself some shoes (鞋) and tries them on in the elevator's kitchen (e2). She cut the shoes out of a cow's hide (革) of which shreds are scattered all around. The shoes are a bit small, so Marie needs to use a jade tablet (圭) as shoehorn to get into the shoe.