16. The keyboard of claim 15 , wherein the at least one vowel key is a single key having all the vowels associated therewith, with the vowel key being positioned in a row below the first set of keys.
16. The keyboard of claim 15 , wherein the at least one vowel key is a single key having all the vowels associated therewith, with the vowel key being positioned in a row below the first set of keys. 18. The keyboard of claim 16 , wherein the vowel key is positioned between keys of the additional set of keys.