Prelude> let mt = [0,0,0,1,1,1,2,2,2,3,3,3,3]
Prelude> let mh = [0,0,0,0,1,1,1,2,2,3]
Prelude> let ms = [0,0,0,1,1,2,3]
Prelude> komb mt mh ms = [(x,y,z) | x <- mt, y <- mh , z <- ms, x /= y, x == z || y == z ]
Prelude> komb mt mh ms