Return
Escape
to outline mode, then Delete
or Command-Shift-K
Tab
or Control-Command-Right
Shift-Tab
or Control-Command-Left
Control-Command-Up
Control-Command-Down
Option-Command-Right
Option-Command-Left
Command-0
or Escape
to outline mode, then Right
Command-9
or Escape
to outline mode, then Left
Control-Command-0
Control-Command-9
Escape
Escape
Escape