When the time comes for your brain to process the information, the second word comes up faster than the first one. So when it's in your head, all of a sudden, it comes out backwards and you think of the word backwards.
“We now fly with an airbus, which has 210 seats, six times the week to Palma to the spider of the air Berlin.”
“Somebody hits me, I'm going to hit him back. Even if it does look like he hasn't eaten in a while.”