5
A
B
C
D
E

"A" "B" 1
"A" "C" 7
"A" "D" 4
"A" "E" 3
"B" "C" 6
"B" "D" 2
"B" "E" 5
"C" "D" 4
"C" "E" 5
"D" "E" 1