A keypad comprising a plurality of numerically labeled keys; wherein each key on a numeric keypad as mapped to letters of alphabet in a language, wherein a plurality of alphabetic letters are assigned to at least one key on the numeric keypad; wherein a first alphabetic letter is selected from among the plurality of alphabetic letters assigned to the key, in response to a first interaction with said key, such that the first alphabetic letter is the first most frequently used letter from among said plurality of letters assigned to the key in said language.