Giorgio182480, I hope you're still out there somewhere.
Once in a while, duo reactivates the speaking exercises. And I still get surprised by how badly it works.
So, apparently, "stav ordet på tavlen" as I say it cannot be recognised. Fair enough. But "stav [multisyllable expletive] ordet på tavlen" CAN, perfectly even! Either this algorithm has a really bad opinion of the Norwegian language, or it is just random...