Solution Step 0/0
Reading from left to right can you restore the next two letters of this simple mnemonic?
What are the missing two letters?
What are the missing two letters?
Explanations
O(ne)T(wo)
T(hree)
F(our)
F(ive)
S(ix)
S(even)
E(ight)
N(ine)
Check E and F
Check S and T
Check O and S
Check E and N
