Table 2 Normalized sparse table for DOS filename

  State  Substate  Target  True  False
----------------------------------------
    A       0        a      1    ERR
    B       1        x      1     2
            2       DOT     4     3
            3        e      OUT   ERR
    C       4        x      5    ERR
    D       5        x      7     6
            6        e     OUT   ERR
    E       7        x      9     8
            8        e     OUT   ERR
    F       9        e     OUT   ERR