7. The method of claim 1, wherein an additional set of blank, neutral-coloured pieces are provided to represent any unpronounced silent letter in a word and each blank, neutral-coloured piece is used by placing it alongside spelling and pronounciation units of both the first and second sets of displaceable tiles.
7. The method of claim 1, wherein an additional set of blank, neutral-coloured pieces are provided to represent any unpronounced silent letter in a word and each blank, neutral-coloured piece is used by placing it alongside spelling and pronounciation units of both the first and second sets of displaceable tiles. 8. The method of claim 7, wherein each blank, neutral-coloured piece is a white displaceable tile.