苦痛

苦 = 艹 + 古 : Karl Koala decided to repent for his sins and retreated into a cloister inside the space station. There he leads a very simple life full of hardship, e.g. he gave up on eucalyptus and just eats very bitter artificial lawn.

痛 = 甬 + 疒 : Tommy Turtle has a terrible disease. In engine's bathroom, he discovered by looking into a mirror that he has a very colorful rash. He also has a terrible headache, just as if someone were to let yongzhong bells ring right next to his head.