In order to make all the possible combinations of words with letters BOOKS, we will have to select and combine those letters that will result in a meaningful word. A meaningful word is a word that is available in a standard dictionary. If you want to perform the same operation online then just type your letter on our website click enter and you will get all the possible results. In this case with the letters BOOKS we can form a total of 16 words that are as follows books, kobos, book, boos, bosk, kobo, kobs, sook, boo, bos, kob, kos, sob, bo, os, so