In the word 'SOLUTION', how many pairs of letters are there in the word that have as many letters between them as they do in the English alphabet?

In the word 'SOLUTION', there are three pairs of letters that maintain the same number of letters between them as they do in the English alphabet:(U, T), (L, I), and (O, N). Here’s the detailed analysis: 

i.) U and T: In 'SOLUTION', there is not letter between U and T. Likewise, in the alphabet, there are zero letters between U and T.

ii.) L and I: In 'SOLUTION', there are two letters between L and I. Likewise, in the alphabet, there are two letters between L and I. 

iii.) O and N: In the word 'SOLUTION', there are no letters separating O and N. In the alphabet, there are also no letters between O and N.

So, there are 3 pairs of letters.