1. A keyboard containing a plurality of letters on a desired pattern of keys, said keyboard compnsing 19 to 21 keys, the keys including all 26 letters of the English alphabet, each of the letter keys including a representation of an alphabetical character and representing said alphabetical character when pressed, the keys being arranged in a core grouping including three groups of keys, with each of the three groups including an arrangement of three letters containing a set of alphabetically consecutive letters, the three groups of the core grouping including the letters (1) A, B, and C, (2) D, E, and F, and (3) G, H, and I, in each group respectively, each of the three groups including three keys with at least one letter per key, the letter E being located centrally with respect to the three groups of the core grouping, at least three additional groups of letters, the additional groups of letters being arranged contiguously with respect to at least one of the core grouping and each other, the at least three additional groups of letters each include at least three letters on at least three keys with at least one letter per key, the at least three additional groups of letters being successively positioned adjacent to at least one other of the at least three additional groups of letters, vowels from each of the three groups being aligned, the vowels being aligned vertically, horizontally, or diagonally.
3. The keyboard of claim 1 , wherein in the group of letters including G, H, and I, there is also the letters J and K.