可巧

可 = 丁 + 口 : Karl Marx (k) is challenging his abilities (可) in the elevator's living room (e3). He tries to force a nail (丁) into a mandarin (口), just by using his head. On top of that he tries to do so one thousand times, in order to create a bed of nails (mnemonic symbol for 可).

可 = 丁 + 口 : Alternative mnemonic symbol: kebab, from the pronunciation "ke". Karl Marx (k) is preparing a kebab (mnemonic symbol for 可) in the elevator's living room (e3). He also skewers mandarins (口) on the long steel nails (丁) and will only allow (可) his guests to eat the rest of the kebab if they eat their mandarins first.

巧 = 丂 + 工 : The Queen of Hearts (qi) arrived just at the right time (巧) in the aorta (ao3). When she arrived a big chocolate (巧) house, reinforced using steel beams (工), was about to melt and collapse. Just at the right time the Queen of Hearts put a huge breathing mask (丂) under the collapsing structure to collect the chocolate, filter it with the mask and reuse it.