5. A typewriter according to claim 4, wherein said word data is stored in the respective one of said word-data memory locations of the addressed data memory locations such that first letters of the individual words contained in the dictionary are arranged in a predetermined order of presentation of letters used in said language, second letters of the words being arranged in said predetermined order when said first letters of the adjacent words are identical, third and following letters if any of the words being arranged in said predetermined order when said second and following letters of said adjacent words are identical, said special code being used to represent plural consecutive letters of the word as counted from the first letter thereof when said plural consecutive letters are identical with corresponding letters of an adjacent word.
5. A typewriter according to claim 4, wherein said word data is stored in the respective one of said word-data memory locations of the addressed data memory locations such that first letters of the individual words contained in the dictionary are arranged in a predetermined order of presentation of letters used in said language, second letters of the words being arranged in said predetermined order when said first letters of the adjacent words are identical, third and following letters if any of the words being arranged in said predetermined order when said second and following letters of said adjacent words are identical, said special code being used to represent plural consecutive letters of the word as counted from the first letter thereof when said plural consecutive letters are identical with corresponding letters of an adjacent word. 6. A typewriter according to claim 5, wherein a combination of said letters of a first one of said words, in a plurality of consecutive ones of said words each of which has said combination of letters, are represented by the character codes in place of said special code.