Shutterstock's reCAPTCHA Conundrum

Although Shutterstock is my best-selling site, it doesn't want to remember my log-in details, which is rather annoying as it means I have to key my details in on every visit. That's bad enough, but the reCAPTCHA section is a serious piece of nonsense. As proved here...

I couldn't even guess what the second word here is...

Here's another... this time upside down! Do I put 'ploj' as the second word or should it be 'fold'?