What is the meaning of Either_…_or?

5-letter words containing

• 5-letter words containing e

• 5-letter words containing k

• 5-letter words containing n

• 5-letter words containing e

• 5-letter words containing e

5-letter words starting with

• 5-letter words starting with m

• 5-letter words starting with f

• 5-letter words starting with u

• 5-letter words starting with t

• 5-letter words starting with k

5-letter words in the middle

• 5-letter words in the middle m

• 5-letter words in the middle l

• 5-letter words in the middle e

• 5-letter words in the middle m

• 5-letter words in the middle k

5-letter words ending with

• 5-letter words ending with e

• 5-letter words ending with f

• 5-letter words ending with s

• 5-letter words ending with o

• 5-letter words ending with u

5-letter words excluding

• 5-letter words excluding l

• 5-letter words excluding r

• 5-letter words excluding p

• 5-letter words excluding t

• 5-letter words excluding g