5. The teaching apparatus of claim 4 wherein said colors further comprise a second color corresponding to said graphemes characterized by voiced sound production, a third color corresponding to said graphemes characterized by unvoiced sound production, a fourth color corresponding to said graphemes characterized by nasal sound production, and a fifth color corresponding to said graphemes characterized by a mixture of characteristics of sound production.
6. The teaching apparatus of claim 5 wherein said first color is red, said second color is pink, said third color is yellow, said fourth color is green, and said fifth color is blue.