Answer
At each node, each child pointer could be used to represent a unique letter in the alphabet. A word could be represented by a path down the tree along the sequence of pointers representing the spelling of the word. A node could be marked in a special way if it represented the end of a correctly spelled word.
Work Step by Step
At each node, each child pointer could be used to represent a unique letter in the alphabet. A word could be represented by a path down the tree along the sequence of pointers representing the spelling of the word. A node could be marked in a special way if it represented the end of a correctly spelled word.