Hum... Letter? Didn't you mean "Word"? Hum... I might be wrong, I'm not a native english speaker, but.. I've made that mistake nd it was very embarassing. @_@' Anyways, that's a Great design! I love that kind of stuff. ^^
I like it, but I think you should make the lines on the F more prominent. I couldn't tell what it was till I read the title.
Looks nice, but barely legible.