What is the meaning of Domino_mask?

5-letter words containing

• 5-letter words containing e

• 5-letter words containing i

• 5-letter words containing r

• 5-letter words containing p

• 5-letter words containing h

5-letter words starting with

• 5-letter words starting with e

• 5-letter words starting with a

• 5-letter words starting with a

• 5-letter words starting with e

• 5-letter words starting with s

5-letter words in the middle

• 5-letter words in the middle n

• 5-letter words in the middle t

• 5-letter words in the middle o

• 5-letter words in the middle r

• 5-letter words in the middle c

5-letter words ending with

• 5-letter words ending with i

• 5-letter words ending with i

• 5-letter words ending with p

• 5-letter words ending with l

• 5-letter words ending with t

5-letter words excluding

• 5-letter words excluding a

• 5-letter words excluding n

• 5-letter words excluding a

• 5-letter words excluding e

• 5-letter words excluding v