Note: Nikon Letters

U for 1 element (Uns)
B for 2 elements (Bini)
T for 3 elements (Tres)
Q for 4 elements (Quatour)
P for 5 elements (Pente)
H for 6 elements (Hex)
S for 7 elements (Septem)
O for 8 elements (Octo)
N for 9 elements (Novem)
D for 10 elements (Decem)