文昌市

文 = 乂 + 亠 : Mnemonic symbol: a thick book.

Willy Walrus (w) wants to cook in the encampment's kitchen ((e)n2). The recipe book (文) is extremely greasy and Willy doesn't want it to touch anything, nor touch it. That's why he puts it into a beret (亠) so that it doesn't touch the floor, and uses pliers (乂) to turn the pages.

昌 = 日 : Mnemonic symbol: 文昌鱼, lancelet, a kind of very small and primitive fish.

The lancelet (昌) and Charlie Chaplin (ch) lead a very prosperous (昌) life in front of the anglepod (ang1). Each of them is so rich that they both purchased their personal sun (日). They are lying on beach chairs and enjoying their suns.

市 = 亠 + 巾 : Mnemonic symbol: a supermarket.

Sherlock Holmes (sh) started a supermarket (市) in the space station's bathroom (Ø4), but all he has for sale right now are berets (亠) and towels (巾). He should have opened it at the beach!