how to create a function that gets two words and combines them according to abc to one word(in C), the words are also sorted.

Question

Example:
'a','d','f'
'b','c','e'
turns into 'a','b','c','d','e','f'

The word can be also a number:
'1','3','4'
'2','5','6'
turns into '1','2','3','4','5','6'

Answer 1

It is pretty simple if you really try.
Kindly take an attempt and come back if you are stuck at any point.