product customer amount
A   ted     6
B   bob     3
C   phil    5
D   lance   8
E   carl    6
F   terry   3
G   stu     1
H   pinky   1
I   joe     5
J   neil    4
K   frank   3
L   bruno   6
M   pizza   7

Ids
A   B   C
A1  HG  HG
TE  DF  RTT
DS  RE  DS
CS      AC
GD      V
HG

Product A, Ted, A1
Product A, Ted, TE
Product A, Ted, Ds
Product A, Ted, CS
Product A, Ted, GD
Product A, Ted, HG
Product B, Bob, HG
etc