订
=
丁
+
讠
:
Dorothy Gale (di) finds an advertising column (讠) in the engine's bathroom ((e)ng4) displaying a nail (丁). She instantly calls the number to order (订) a really hard nail (丁) for her loose flange.
阅
=
兑
+
门
:
Yu the Great (yu) has to inspect (阅) a cash exchange booth (兑) in the elevator's bathroom (e4). He finds lots of problems and just as he is reading (阅) the rights to the owner, the owner opens a trap door (门) just below his feet to make him disappear.