Check out that repository to better understand what this plugin does.

To start easy-motion press Shift+Cmd+E. Rebind this in settings to better suit you. By default the characters that replace words are ABC....Z. You can replace this if you want, also from settings.

Extra commands:

• Shift+Cmd+Y - same word search except it will match the ending of the word

Extra Features:

• Pressing Shift+Cmd+E or Shift+Cmd+Y from within the find-and-replace panel will try using easy motion to match the words on the screen, it's faster than pressing enter many times.