There are two groups of items, one for Account Management Tools, the other for the corresponding described features, you need to match each of them correctly.
Group One:
A.
Colored display
B.
24 ligjted line keys
C.
G.722 wideband codec
D.
Personal desktop video phone
E.
Does not include an integrated switch
F.
State-of-art hands-free conference set
Group Two:
(1).7906G
(2).7931G
(3).7936G
(4).7962G
(5).7971G
(6).7985G
G.
a–(3) b–(5) c–(1) d–(4) e–(2) f-(6)
H.
a–(6) b–(4) c–(3) d–(1) e–(5) f-(2)
I.
a–(5) b–(2) c–(4) d–(6) e–(1) f-(3)
J.
a–(2) b–(4) c–(5) d–(6) e–(3) f-(1)