Who Makes the Cut?

I was trying to clean out Shelly's backpack and I found this scrap of paper. I was going to just toss it out, but I sort of wondered... What made the list? Why did Archer and Lulu make the cut but no one else? There are some things that look like practice (because, become, for, from). Some things that have to do with current events (Chomp is the title of a book Archer was reading, PTA and home are places we're always going).

Anyway, I thought it was worth checking out and sharing, enjoy. Now I'm tossing it out, with the rest of the wrappers and other miscellaneous stuff I've collected out of her backpack. Archer's backpack is next!