[bi-] Bigfoot is in the [3] basement of the [-_] house, looking for a 筆 pen to write his memoirs. He finds a 聿 brush made of ⺮ bamboo, and starts whittling it down until the point is quite sharp, turning it into a 筆 pen. He begins writing with his ⺮ bamboo 筆 pen: "Call me Bigfoot."