滲入

渗 = 参 + 氵 : Sherlock Holmes (sh) is horrified (渗) to find that he accidentally emptied his water bottle (氵) over his bib number (参) in the encampment's bathroom ((e)n4), and now he'll have to run the race with a seeping (渗) bib number on his body.

入 = 丿 + ㇏ : Mnemonic symbol: an enter key like on a computer keyboard.

There is a special area in the space station's bathroom (Ø4) which is filled with bananas (丿), but you have to hit an enter key (入) to enter (入). Rachel Rhinoceros (ru) uses a finger (㇏) to press the button and get access to the bananas.