Postscript Diagrams for u u > u u
Postscript Diagrams for u u~ > u u~
Postscript Diagrams for d~ d~ > d~ d~
Postscript Diagrams for u s > u s
Postscript Diagrams for u d~ > u d~
Postscript Diagrams for u u~ > s s~
Postscript Diagrams for d~ u~ > d~ u~