just waiting to stumble upon an 11 letter word

just waiting to stumble upon an 11 letter word

how long will it take to generate 7 words?
1 character = usually less than a 0.1 seconds
2 characters = usually less than a 1 second
3 characters = usually less than a 30 seconds
4 characters = usually less than a 10 minutes
5 characters = usually less than a 1 hour
6+ characters = keep fire extinguisher handy