Strange Letters

[Kamrusepas]

What's the point of the random letters found on walls in Sanubia Sands and Kilika?

In Kilika, the letters are:
t e p s w r s
V C O I U

and in Sanubia:
h a s o d i
I T R O S

Are there more and what are they for?

[alexholker]

I think they are puzzles used to find out the passwords for the Airship locations... Ah, here's an old topic about them: http://forums.eyesonff.com/archive/index.php/t-45775