What is the meaning of Package_format?

5-letter words containing

• 5-letter words containing e

• 5-letter words containing o

• 5-letter words containing n

• 5-letter words containing c

• 5-letter words containing e

5-letter words starting with

• 5-letter words starting with o

• 5-letter words starting with d

• 5-letter words starting with l

• 5-letter words starting with s

• 5-letter words starting with l

5-letter words in the middle

• 5-letter words in the middle t

• 5-letter words in the middle a

• 5-letter words in the middle I

• 5-letter words in the middle i

• 5-letter words in the middle z

5-letter words ending with

• 5-letter words ending with n

• 5-letter words ending with o

• 5-letter words ending with l

• 5-letter words ending with t

• 5-letter words ending with e

5-letter words excluding

• 5-letter words excluding i

• 5-letter words excluding o

• 5-letter words excluding k

• 5-letter words excluding m

• 5-letter words excluding e