What is the meaning of „_“?

5-letter words containing

• 5-letter words containing i

• 5-letter words containing n

• 5-letter words containing r

• 5-letter words containing a

• 5-letter words containing o

5-letter words starting with

• 5-letter words starting with e

• 5-letter words starting with s

• 5-letter words starting with a

• 5-letter words starting with r

• 5-letter words starting with l

5-letter words in the middle

• 5-letter words in the middle r

• 5-letter words in the middle o

• 5-letter words in the middle w

• 5-letter words in the middle n

• 5-letter words in the middle d

5-letter words ending with

• 5-letter words ending with l

• 5-letter words ending with h

• 5-letter words ending with o

• 5-letter words ending with e

• 5-letter words ending with n

5-letter words excluding

• 5-letter words excluding h

• 5-letter words excluding n

• 5-letter words excluding n

• 5-letter words excluding i

• 5-letter words excluding e