To unscramble 'concatenary,' follow these steps: 1. Start by listing all the letters: C, O, N, C, A, T, E, N, A, R, Y. 2. Identify any vowels (A, E, O) and consonants (C, N, T, R, Y) to help form syllables. 3. Look for common letter combinations, such as 'an,' 'ar,' or 'con.' 4. Experiment with different arrangements, focusing on creating smaller words first, such as 'cat,' 'can,' 'ton,' etc. 5. Gradually build up to longer words, ensuring to check for valid combinations. 6. Use a dictionary or word list to verify the legitimacy of the words formed.