Do you mean like I mentioned?
If so, yes and there are many. Like I have web--masters.com and got it last year. The version without a hyphen and the single hyphen are long gone so that tells you a little bit about how few people use them.
Something else that is EXTREMELY important is who will be using your website and how much will you be depending on "word of mouth" to spread the word.
If you are going to do business entirely on the web where everything is copied and pasted or saved in favorites then it really doesn't matter how convoluted the hyphens are (
www.t-h-i-s-h-y-p-h-e-n-t-h-i-n-g-isoutof hand.com) but try saying that to a customer on the phone!
The other thing with dashes is there is a certain place, the fourth character I believe, where you cannot have one. Boston--red--sox.com would work but red--sox.com won't