1. A method for entering letters of an alphabet using a computer having a display device, memory storage and operator-selectable input elements, the method comprising assigning more than one letter to at least one input element such that more than one series of letters may result from a single series of selected input elements, storing words in the memory storage, and displaying on the display device, as an operator selects each input element forming the series of selected input elements, those series of letters for which a match is found among, at lest the beginning of the words, stored in the memory storage for the sequences of letters associated with the input elements thus far selected.