How to show all the browsing letters in contacts list (right hand side of the screen) in Samsung Galaxy I5500 Europa?

I am using Samsung Galaxy I5500 (aka Europa). But when I browse contacts list not all the letters through A-Z show in the right hand side of the screen. The missing letters are K,L,Q,R,W,X. So, that It become irritating for me find these first lettered contacts. Do you guyz have any solution to this? Thanks for your help in advance it is like this - ---------- A B C .(in place of K,L,Q,R,W,X) Y Z ----------