Sublime Merge keybinding (OSX)

[stray-liquid]

I haven’t been able to find a list of commands available for Sublime Merge. I would really like to be able to press command + D to select a word, and press it again to select the next occurrence. I put some time against it, but I thought maybe someone out here just knows the correct arcane symbols to engrave into my Default (OSX).sublime-keymap