Good effing greif.
A password policy which requires upper and lower case and 15+ characters long is all you need.
Anyone can be taught how to put together a passphrase they can easily remember. Make it silly, make it gross, make it rhyme, etc. Put together words from your life, hobby, little league memories.
Have to change it in 60 days? Put a twist on it, add numbers or characters. Reverse Caps, etc.
Really Brits... even you can learn this. Hey, another easy to remember pass phrase.