r - Reply to Topic (open the complete edit)
n - New Topic (create a topic in current forum)
h - Home (back to the forums home)
to_decide - Jump to Next Topic (next topic in current forum)
to_decide - Jump to Previous Topic (previous topic in current forum)
...
And much more...
Sometimes i'm so confused while browsing that i type r to reply and nothing happens...
I hope that someone found that suggestion useful...
