Use this perl script and use each Morse stream one at a time. This one uses a dictionary attack.
https://pastebin.com/bxWXnX0sYou get lots of words. Nothing really jumps out at me though.
Yes I agree that seventeen is just a coincidence. We need a string of words that make sense for it to be valid.
@smracer, was it you who received the 10%? From the chat log posted on motherboard here:
https://motherboard.vice.com/en_us/article/evmgvk/mystery-satoshi-nakamoto-solved-1flamen6Yes! I made a post on bitcointalk about a hint no one had seen before and then 20min later the price was gone... Maybe it was me who said to much
...
Btw I got 10% from flamen

That's the only post I can see that was 20 mins before the transfer.