Find the missing alphabets – d, f, h, l, n, ?, ?, x

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First, you need to assign numbers to the alphabet –

a-1
b-2
c-3

nd so on.

Then, choose the letters that correspond to the prime numbers(starting from 3) –

c-3
e-5
g-7
k-11
m-13
q-17
s-19
w-23

Then, the letters that come just after the letters above

d, f, h, l, n, r, t, x

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