燄

焰 = 火 + 臽 : Maud Younger (y) sets up a pitfall (臽) in the anthill's bathroom (an4). She arranges a few chemicals so that should a person fall into the trap, the chemicals will ignite a terrible fire (火) with a blue flame (焰).

炎 = 火 : Mnemonic symbol: As I just learned "itis" is the feeling you get after eating too much.

Maud Younger (y) ate too much in the anthill's kitchen (an2). She's having the itis (炎) so hard that she doesn't even wake up from the fire (火) which is spreading fast.

臽 = ⺈ + 臼 : Marie Curie (xi) wants to catch the crane (⺈) and set up a trap (臽) in the anthill's bathroom (an4). She prepares a sling trap (臽) and places a mortar (臼) with some food in the middle of the sling, and soon she will catch the crane.