The word artificial meets the definition of "being skillfully made" and "imitating nature". It also contains "fic"
There are no 5 letter words containing uu. The 6 letter word vacuum is the shortest word that contains the letters uu.
Letters that are in the middle e.g. A
Afar is a four letter word with f and a as the 2 middle letters in that order.
a red heart with the letters Ty in the middle (bubble letters)