Given question are based on five words given below : AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)
If second alphabet in each of the words is changed to next alphabet in the English alphabetical order, how many words having two vowels (same or different vowels) will be formed?
1) None
2) One
3) Two
4) Three
5) Four

Explanation

3