Trying Base64 decoding of e7qdqbclcocgede yields binary gibberish (likely because it’s only part of the key). More likely, the hyphen is just a visual separator.
If you're looking for a random topic, I can suggest some general areas of interest, such as:
A clever but simple human-readable cipher, easily broken, and likely pointing to a non-public file share.
If you encounter such a string, here’s how to reconstruct the working URL: