Wizards have been on a tear defensively lately and a lot of that has to do with Emeka.
So I propose the following:
Memphis receives Lee and Collins via their trade exception.
Washington receives Bass, Fab Melo, and maybe a pick
Celtics receive Okafor and Martell Webster
Memphis has already been linked to Lee via the Trade Exception.
Boston get an enforcer in the paint and bigger as a result.
Washington gets Bass who better spaces the floor for nene, a prospect in Fab, but more importantly they save a lot of money for a team going no where.