Someone opened a puzzle for you and read you two words. Type them here — capitals, spaces and a slip of the finger are all fine.
The words work for about half an hour after they were read out, or until the seats at the table are taken. If they do not open anything, ask whoever invited you to read them again, or to open the door once more. Nothing here is listed: the only way to a table is to be told the words or handed the link.