前来

前 = 䒑 + 刖 : The Queen of Hearts is smoking some weed just inside the anthill's kitchen. She's so high that she thinks the lamp in front of her is the moon which wants to stab her with a kitchen knife.

前 = 䒑 + 刖 : Mnemonic symbol: a front panel.

來 = 从 + 木 : Mnemonic symbol: mailwoman. Sir Lancelot (l) is visiting the mailwoman (來) in the airplane's kitchen (ai2). As a gift, he brought a Christmas tree (木) decorated with rubber chicken (从).

来 = 丷 + 未 : Mnemonic symbol: mailwoman. Lancelot (l) is super happy that his inflatable crocodile (丷) and live size Ai Weiwei (未) puppet finally arrived (来). The mailwoman (来) delivered them straight to the kitchen of the airplane (ai2).