1. A data entry interface arrangement including all twenty-six letters of a top, middle, and bottom row of a standard three-row QWERTY keyboard, comprising: a non-staggered, linearly aligned six-row matrix including a first set of two rows, a second set of two rows, and a third set of two rows, wherein said first set includes all letters in the top row of the QWERTY keyboard, said second set includes all letters in the middle row of the QWERTY keyboard, and said third set includes all letters in the bottom row of the QWERTY keyboard; and wherein at least one set of two rows is arranged in a layout consisting of every other letter of a corresponding top, middle, or bottom row of said standard QWERTY keyboard.