a   b   i  x          y          u v
eks wye 4  0.38139939 0.13418874 1 2
wye pan 5  0.57328892 0.86362447 1 2
zee pan 6  0.52712616 0.49322129 1 2
eks zee 7  0.61178406 0.18788492 1 2
zee wye 8  0.59855401 0.97618139 1 2
hat wye 9  0.03144188 0.74955076 1 2
pan wye 10 0.50262601 0.95261836 1 2
