Choose the option which can replace the question mark (?) in the series given below.
SUPER, PSRUE, RPESU, ERUPS, ?, SUPER

What will come in place of question mark (?) in the following series

BDF, ?, PRT, WYA

This question is based on the following words.
PAD SHE NOT WIN
If in each of the words, each letter is changed to the next letter in the English alphabetical order, how many words thus
formed will have no vowel?