What is the meaning of Terminal_symbol?

5-letter words containing

• 5-letter words containing a

• 5-letter words containing r

• 5-letter words containing i

• 5-letter words containing o

• 5-letter words containing g

5-letter words starting with

• 5-letter words starting with s

• 5-letter words starting with s

• 5-letter words starting with o

• 5-letter words starting with i

• 5-letter words starting with n

5-letter words in the middle

• 5-letter words in the middle e

• 5-letter words in the middle a

• 5-letter words in the middle r

• 5-letter words in the middle s

• 5-letter words in the middle e

5-letter words ending with

• 5-letter words ending with z

• 5-letter words ending with k

• 5-letter words ending with i

• 5-letter words ending with a

• 5-letter words ending with f

5-letter words excluding

• 5-letter words excluding u

• 5-letter words excluding h

• 5-letter words excluding t

• 5-letter words excluding u

• 5-letter words excluding z