THE ANSWER: Each set can be made into five different words by adding the five vowels (A, E, I, O and U) between the letters.Â
1. BAG, BEG, BIG, BOG, BUG
2. PAT, PET, PIT, POT, PUT
3. TAN, TEN, TIN, TON, TUN
Can you think of any others? Feel free to add them in the comments!