A word predictive data entry system includes a plurality of first input signals to which one to a few characters are assigned, and an input signal, separate from the plurality of first input signals, to which a significantly larger number of characters are ambiguously assigned. The inner tubular member and the central tubular member are mounted for movement relative to the outer tubular member about the longitudinal axis of the body for sequentially driving a pair of suture needles through the wall of a blood vessel to close an incision formed therein. % of perfluorocarbon relative to the amount of perfluorocarbon and oxygen. The injected dependencies can then be executed andor used to perform the requested operation, such as a backup or compression operation on virtual machine data. According to another embodiment, the method further comprises programming the one of the third bit and the fourth bit of the first neighboring memory cell after the erasing step.