turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
It's not possible, but you can use specific email address for the keys registration (which you don't need to check at all). Stop using your keys, order new keys and register email address just for this purpose (e.g. i_wont_check_this_mail@myserver.com).
Years ago I registered the first company BlackBerry keys with my boss email... it was such a fun 
