Some letter combinations for Morse Code Practice:
Category: Morse Code
Getting Past Morse Code Learning Barriers
If you've hit a barrier in your Morse Code progress, The Art and Skill of Radio Telegraphy might be useful. Based upon the Koch and Farnsworth approaches to Morse learning, it launches into a comprehensive discussion of further learning aids, tips, and tricks.
CW/QRP Club
Morse Code Resources
Check out Morse Code and morse (pun intended). It has some good links for Morse code beginners.
BTW, what's your unique bouquet of learning styles for Morse? The answer might help in picking out CW learning aids.