楝

木 = 八 + 十 : Mnemonic symbol: a Christmas tree. Malte Monkey is putting up a Christmas tree (木) in the bathroom of the space station (Ø4). He's using a cross (十) as a base to put the tree on, and decorates the tree with eight-balls (八).

柬 = 木 + 囗 + 丷 : Joan of Arc (ji) received an invitation letter (柬) to visit the anthill, and when she arrives she finds a Christmas tree (木) inside (an3). Under the Christmas tree there is a wooden box (囗) with her name on it. She doesn't know that upon opening the box, the mean crocodile (丷) will jump out and devour her.

柬 = 木 + 囗 + 丷 : Joan of Arc (ji) received an invitation letter (柬) to visit the anthill, and when she arrives she finds a Christmas tree (木) inside (an3). Under the Christmas tree there is a wooden box (囗) with her name on it. She doesn't know that upon opening the box, the mean crocodile (丷) will jump out and devour her.