一个蛮笨的句法,但是可以解决你的问题:
IF (x1 = "a" & x2 ~= "a" & x3 ~= "a" & x4 ~= "a" & x5 ~= "a" )
y1 = 1 .
IF (x2 = "a" & x1 ~= "a" & x3 ~= "a" & x4 ~= "a" & x5 ~= "a" )
y1 = 2 .
IF (x3 = "a" & x1 ~= "a" & x2 ~= "a" & x4 ~= "a" & x5 ~= "a" )
y1 = 3 .
IF (x4 = "a" & x1 ~= "a" & x2 ~= "a" & x3 ~= "a" & x5 ~= "a" )
y1 = 4 .
IF (x5 = "a" & x1 ~= "a" & x2 ~= "a" & x3 ~= "a" & x4 ~= "a" )
y1 = 5 .
IF (x1 = "b" & x2 ~= "b" & x3 ~= "b" & x4 ~= "b" & x5 ~= "b" )
y2 = 1 .
IF (x2 = "b" & x1 ~= "b" & x3 ~= "b" & x4 ~= "b" & x5 ~= "b" )
y2 = 2 .
IF (x3 = "b" & x1 ~= "b" & x2 ~= "b" & x4 ~= "b" & x5 ~= "b" )
y2 = 3 .
IF (x4 = "b" & x1 ~= "b" & x2 ~= "b" & x3 ~= "b" & x5 ~= "b" )
y2 = 4 .
IF (x5 = "b" & x1 ~= "b" & x2 ~= "b" & x3 ~= "b" & x4 ~= "b" )
y2 = 5 .
IF (x1 = "c" & x2 ~= "c" & x3 ~= "c" & x4 ~= "c" & x5 ~= "c" )
y3 = 1 .
IF (x2 = "c" & x1 ~= "c" & x3 ~= "c" & x4 ~= "c" & x5 ~= "c" )
y3 = 2 .
IF (x3 = "c" & x1 ~= "c" & x2 ~= "c" & x4 ~= "c" & x5 ~= "c" )
y3 = 3 .
IF (x4 = "c" & x1 ~= "c" & x2 ~= "c" & x3 ~= "c" & x5 ~= "c" )
y3 = 4 .
IF (x5 = "c" & x1 ~= "c" & x2 ~= "c" & x3 ~= "c" & x4 ~= "c" )
y3 = 5 .
IF (x1 = "d" & x2 ~= "d" & x3 ~= "d" & x4 ~= "d" & x5 ~= "d" )
y4 = 1 .
IF (x2 = "d" & x1 ~= "d" & x3 ~= "d" & x4 ~= "d" & x5 ~= "d" )
y4 = 2 .
IF (x3 = "d" & x1 ~= "d" & x2 ~= "d" & x4 ~= "d" & x5 ~= "d" )
y4 = 3 .
IF (x4 = "d" & x1 ~= "d" & x2 ~= "d" & x3 ~= "d" & x5 ~= "d" )
y4 = 4 .
IF (x5 = "d" & x1 ~= "d" & x2 ~= "d" & x3 ~= "d" & x4 ~= "d" )
y4 = 5 .
IF (x1 = "e" & x2 ~= "e" & x3 ~= "e" & x4 ~= "e" & x5 ~= "e" )
y5 = 1 .
IF (x2 = "e" & x1 ~= "e" & x3 ~= "e" & x4 ~= "e" & x5 ~= "e" )
y5 = 2 .
IF (x3 = "e" & x1 ~= "e" & x2 ~= "e" & x4 ~= "e" & x5 ~= "e" )
y5 = 3 .
IF (x4 = "e" & x1 ~= "e" & x2 ~= "e" & x3 ~= "e" & x5 ~= "e" )
y5 = 4 .
IF (x5 = "e" & x1 ~= "e" & x2 ~= "e" & x3 ~= "e" & x4 ~= "e" )
y5 = 5 .
EXECUTE .