From Fallen London Wiki

If you run out of Cryptic Clues, you can repeatedly <a href="/wiki/Stroll_in_the_garden_of_bones" title="Stroll in the garden of bones">Stroll in the garden of bones</a> next door to get them easily at a competitive (not optimal, but the better grinds are rather more complex) rate, meaning that you don't have to go out of your way for more if you're Provenancing in bulk.