In the word VACCINATING , if all the vowels (from the left end) are replaced by the letters P, D, B, and K respectively, then the number of letter pai...
Question
In the word VACCINATING, if all the vowels (from the left end) are replaced by the letters P, D, B, and K respectively, then the number of letter pairs in the new word that are arranged consecutively in alphabetical order (either forward or backward) is ____.