Study the following diagram and convert it into other diagrams by implementing the instructions which is given in each step to get next step. Intercha...

Study the following diagram and convert it into other diagrams by implementing the instructions which is given in each step to get next step.

Interchange the Alphabets to get step 1 as arrows mention in the above figure.

For Step-2:
(i) If the alphabets contain one consonant and one vowel and the number with them is greater than 3, then subtract 3 from the given number.
(ii) If the alphabets are two consonant and the number with them is greater than 5, then change the letters with the previous letter in alphabetical series.

For Step-3 : step 3 is coded in some special pattern.

As per the rules followed in the above step, find out the appropriate steps for the given input. And answer the following questions.

If in Step-3, the element AB8 is replaced by which of the following?