This game is really well thought. I imagine there is more too see, but my skill issue didn't let me see the whole thing. The shortcut usage just works and I believe you could just see the order and do everything else with your eyes closed. Just one detail for the items: to make them more intuitive to learn which item is which letter, I would put the items in an alphabetical order: Bed, Carpet, Lamp, Table. Same goes for the tech. But it's just a detail that would help my brain to remember the shortcuts better.
The difficulty ramps up really fast, just maybe too fast? The player does not seem to learn fast enough to feel the full reward that comes from finishing levels, because at some point the loss is inevitable. For a game jam game I imagine it might be make in purpose, but if you inspire yourself with games like Papers Please, even a not very skilled player can play through the game, maybe just not perfectly.
Visually, the game is pleasant to look at, but I wouldn't call the UI intuitive. Maybe it was because I was in a rush, don't know. It's just the positioning or perhaps lack of highlights of the most important stuff? Maybe icons would help to make it faster to read?
Mind you that the things I'm pointing out are details, I really liked the game itself. It's very original (at least I don't know any game that operates on just shortcuts). Very good job! I might try it again to see if I can go further this time.