?
My first is in mammoth, but not in elephant.
My second is in raccoon, but not in beaver.
My third is in dobbin, but not in horse.
My fourth is in koala, and in kangaroo.
My fifth is in tiger, but not in lion.
My last is in pony, but not in horse.
What am I?
Puzzle Copyright © Kevin Stone
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Hint
My first letter is M, and watch out for the wording for the 4th letter.