EXAMPLE 10 If all the letters of the word arranged as in as in a dictionary, what is the 'AGAIN [NCERT] fiftieth word? SOLUTION In dictionary the words at each stage are arranged in alphabetical order starting with the letter A, and arranging the other four G words. Thus, there are 24 words which start with A. These are the first 24 words. Thrn ting with G, and arranging the other four letters A, A,I, N in different ways,