⌘/Ctrl + 1 = Open Transition Words Panel

⌘/Ctrl + 2 = Open Thesaurus Panel

⌘/Ctrl + 3 = Open Proofreading Panel

⌘/Ctrl + 5 = Open Time Machine Panel

⌘/Ctrl + 6 = Open Statistics Panel

⌘/Ctrl + 7 = Open File Panel

⌘/Ctrl + 8 = Open Options Panel