Adventure of the Dancing Men

In Sherlock Holmes' story "The Adventure of the Dancing Men", a man reports that his wife, Elsie, became upset when she recieved several notes with figures of dancing men on them. Holmes went about deciphering the code. He knew that E is the most common letter in the English language and that there was a high probability that the name "Elsie" appeared somewhere in one of the messages. Using this information, can you decipher the messages she recieved and the one message she sent? You may also want to find out what the other most common letters used in the alphabet are in order to help you.