My Pex file.

groups:
  default:
    options:
      default: true
      prefix: '&8[&c-&8][&7'
    permissions:
    - mcmmo.ability.all
    - mcmmo.commands.acrobatics
    - mcmmo.commands.archery
    - mcmmo.commands.axes
    - mcmmo.commands.excavation
    - mcmmo.commands.fishing
    - mcmmo.commands.herbalism
    - mcmmo.commands.inspect.all
    - mcmmo.commands.mcability
    - mcmmo.commands.mchud
    - mcmmo.commands.mcmmo.description
    - mcmmo.commands.mcmmo.help
    - mcmmo.commands.mcrank.others.all
    - mcmmo.commands.mcstats
    - mcmmo.commands.mctop.all
    - mcmmo.commands.mining
    - mcmmo.commands.repair
    - mcmmo.commands.smelting
    - mcmmo.commands.swords
    - mcmmo.commands.taming
    - mcmmo.commands.unarmed
    - mcmmo.commands.woodcutting
    - mcmmo.skills.all
    - endersurfer.utilize
    - endersurfer.showparticles
    - modifyworld.*
    - essentials.chat.url
    - essentials.build
    - essentials.chat.shout
    - essentials.chat.question
    - essentials.help
    - essentials.info
    - essentials.itemdb
    - essentials.list
    - essentials.mail
    - essentials.mail.send
    - essentials.me
    - essentials.motd
    - essentials.msg
    - essentials.msg.color
    - essentials.nick
    - essentials.ping
    - essentials.r
    - essentials.realname
    - essentials.seen
    - essentials.signs.use.balance
    - essentials.signs.use.buy
    - essentials.signs.use.disposal
    - essentials.signs.use.enchant
    - essentials.signs.use.free
    - essentials.signs.use.gamemode
    - essentials.signs.use.heal
    - essentials.signs.use.info
    - essentials.signs.use.kit
    - essentials.signs.use.mail
    - essentials.signs.use.protection
    - essentials.signs.use.repair
    - essentials.signs.use.sell
    - essentials.signs.use.time
    - essentials.signs.use.trade
    - essentials.signs.use.warp
    - essentials.signs.use.weather
  Ferret:
    permissions:
    - '*'
    options:
      prefix: '&8[&5&l&oNoob&8][&5'
schema-version: 1
users:
  c9db149a-f6c1-4ec2-b3be-183f0fd8390b:
    group:
    - Ferret
    options:
      name: Quavelen
    worlds:
      Ferret:
        permissions: []