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+First a complete binary tree structure is constructed with DOT and DASH distinguishing the left and right of the fork.
+The initial node is empty, adding a dot when pushed to the left and a dash when pushed to the right.
+When the end of a letter is reached, a space is used to indicate the end and to start checking for further letters to follow.
+One space indicates a new letter, while two consecutive spaces indicate a new word.
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