That's 'cause I made it up so you'd have to scratch yer head too!
WBWMY = Welcome Back We Missed You
Looks like a great workout that will grow with you, no gym required. There's also an amazing amount of stuff you can do with good old body weight exercises. There are books out to the effect of 'your body is your own gym' and others that show how to modify basic moves that are too hard to do regular so that you can work your way up and beyond.
Looks like a good set up. Now you have to do it.