Thanks for doing it (and putting it back online). Really useful if you're looking for a quick .io inspiration.
Some time ago I was trying to register an .io domain - but my bank would not allow the transaction because fraud :(
I still want one...
There are currently 26 three letter words/common acronyms left. List available here for a small fee http://andio.herokuapp.com
https://iwantmyname.com/blog/2012/05/100-shockingly-short-io...
and here is another:
are.io bow.io cot.io cry.io dew.io dip.io dye.io ear.io egg.io fee.io fry.io had.io hem.io hid.io hut.io jug.io lid.io lie.io lip.io men.io mop.io mow.io oar.io ore.io pit.io rag.io ray.io rib.io rid.io rot.io sod.io toe.io tow.io tug.io was.io won.io yaw.io
I did not bother to verify availability.
Charging for access to information like this is deplorable. Just because you can does not mean you should.
One comment was enough.
Among which 283 are available .io domains: