If you have no ideA, then try ideB, if it doesn't work, then ideC, and you can go on till ideZ... If it still doesn't work with ideZ, it tell you, it's time to sleep... Zzzzz...
You know Irish people write Whiskey and not Whisky, since they are the real whiskey-guys!!! And they know Whiskey is Wise-Key, the key to the Wisdom...