How many such pairs of letters are there in the word OVERSEE each of which has as many letters between them in the word (in both forward and backward directions) as they have between them in the English alphabetical series

Based on the provided search results, there are 4 pairs of letters in the word "OVERSEE" that satisfy the condition where the number of letters between them in the word matches the number of letters between them in the English alphabetical series. The pairs identified are:

1. O and R (positions 0 and 3):
   • Letters between in word: 2 (V and E).
   • Letters between in alphabet: O (15th) to R (18th) → P, Q (2 letters).
2. O and S (positions 0 and 4):
   • Letters between in word: 3 (V, E, R).
   • Letters between in alphabet: O (15th) to S (19th) → P, Q, R (3 letters).
3. V and S (positions 1 and 4):
   • Letters between in word: 2 (E, R).
   • Letters between in alphabet: V (22nd) to S (19th) → T, U (2 letters; direction-agnostic).
4. R and S (positions 3 and 4):
   • Letters between in word: 0 (adjacent).
   • Letters between in alphabet: R (18th) to S (19th) → none (0 letters)