These two sets of five clues each leads to five words that only differ by one vowel (the vowel is a, e, i, o or u, but not necessarily in that order). What are the words?
Small robot.
Small part.
On the contrary.
Nocturnal mammal.
Wager.
Struck.
Heated (archaic British).
Straw dwelling.
A head warmer.
Not cold.
Puzzle Copyright © Kevin Stone
Answer: www.brainbashers.com/puzzle/zztf