Mysterious Japanese Letters...what could they mean?

[Haliburton]

I've recently bought a front license plate for my car, but it came to my attention the written Japanese letters on it. As such, I'm curious to know what they mean exactly… Can anyone help me with this?

This is how they look like:






Thanks in advance.

[Starkick]

First one is pronounced as SU, i know that Suu can be translated as "suck (verb) 

[Foxpup]

I think す (su) means "to do", and 横浜 (よこはま, yokohama) means "Yokohama". Do Yokohama.

[Haliburton]

I think す (su) means "to do", and 横浜 (よこはま, yokohama) means "Yokohama". Do Yokohama.

Thanks for the information! I've made a little research on Google, and found out that the letters indeed mean what you've said. Now, I finally understand what those mysterious letters on the front license plate mean. All in all, I appreciate your help with this.