Sometimes this dont work either; then just change one word, like remove the h in litium. Or spell the touchy word backwards.
DaVinci used to do it even back in the 1500 bc, plus mirrored spelling so not many could read his notes, ..:) The reason why CZ have to do this, is explained here; //www.curezone.org/forums/fm.asp?i=2147435#i
So, lets be wise, stretch the rules in a good way. But since I am the pitbull lately; dont stretch me:)