Try specifying multiple matches on the same command line, including some easier ones, to see if it's matching anything.
For people who played around with vanity keys and rana, is any prefix/suffix combination valid, withing the bech32m character set?
I've been running rana for a week now, but haven't found a key and I'm wondering if my prefix+postfix combination is not in the realm of valid encodings.
nostr:npub1qqqqqqqx2tj99mng5qgc07cgezv5jm95dj636x4qsq7svwkwmwnse3rfkq