Try this one: http://pastebin.com/2zkNbVps Your prefixes needed to be under the options section and there were some spacing problems.
And for the future, after editing your permissions file, just copy and paste it into a yaml parser, It'll tell you if theirs any errors, then after that copy/paste it back into your permissions file. http://yaml-online-parser.appspot.com/
Sometimes I found it hard to understand, and there is a arrow under the first letter and wherever I move the code the arrow moves with it