Added get_word_list function

Added a function to load the words from the text
file into a list and return it.

Signed-off-by: Prashant Malani <p.malani@gmail.com>
change get_word_list function

We know that the sow_pods() function is fixed,
so no need to pass it in as an argument. Instead,
we can hard code the filename.

Signed-off-by: Prashant Malani <p.malani@gmail.com>