Drop the first and last two letters, I am an interjection.
Drop my third letter and transpose, I am unrefined metal.
[21]
Entire I am polite. My fifth multiplied by the sum of my second and fourth, produces my first. My second and third multiplied by my fifth, is twice my first.
[22]
It is a compound word, and belongs to the mineral, and sometimes vegetable kingdom. The whole word is used to contain the first. There are six letters in the first, and two vowels. The last word spelled backward, is a toy that boys play with. The first two letters of the last word is the name of a river in Europe. The first word spelled differently, but pronounced the same, is a substance of which an important article of food is made.
[23]
Entire I am a bird. Take away my last two, and I am a bird. Behead me and cut off my tail, and I signify perpetuity. Cut off my first two, and I am an exclamation!