What is the meaning of Either_…_or?

5-letter words containing

• 5-letter words containing f

• 5-letter words containing e

• 5-letter words containing r

• 5-letter words containing c

• 5-letter words containing u

5-letter words starting with

• 5-letter words starting with d

• 5-letter words starting with l

• 5-letter words starting with o

• 5-letter words starting with k

• 5-letter words starting with v

5-letter words in the middle

• 5-letter words in the middle o

• 5-letter words in the middle c

• 5-letter words in the middle t

• 5-letter words in the middle n

• 5-letter words in the middle i

5-letter words ending with

• 5-letter words ending with h

• 5-letter words ending with s

• 5-letter words ending with i

• 5-letter words ending with i

• 5-letter words ending with a

5-letter words excluding

• 5-letter words excluding a

• 5-letter words excluding n

• 5-letter words excluding s

• 5-letter words excluding n

• 5-letter words excluding i