I have been looking for WordPress shortcuts for a while in order to save time. I found below post in EasyWordPress.com. It is one of the most trusted source for WordPress. You may subscribe to the Easy WordPress Ezine now and get two free chapters from their WordPress Adsense System. I currently use their Super Adsense theme, and definitely satisfied with it. Go visit their page, and download their WordPress Adsense themes for free.

So if you are Windows or Linux user you can use Alt+<letter>. If you are a Mac user, make use of Ctrl+<letter>. Below is the list of hotkeys available:

To learn more about WordPress shortcuts, you may read this post:

Use WordPress Editor Shortcuts to blog quicker