http://minecraftforum.net/topic/2412180-

groups:
  Owner:
    default: false
    permissions:
      - 'essentials.*'
    inheritance:
      - Member
      - Lapis
      - Co-Owner
      - Builder
      - Administrator
      - Moderator
    info:
      prefix: '&9[Owner]&3'
      build: true
      suffix: ''
  first_group:
    default: false
    permissions:
      - -tardis.exile
      - tardis.room
      - tardis.timetravel.location
      - tardis.timetravel.player
      - tardis.use
    inheritance: []
    info:
      prefix: ''
      build: false
      suffix: ''
  Member:
    default: true
    permissions:
      - -factions.admin
      - essentials.afk
      - essentials.balance
      - essentials.balance.others
      - essentials.help
      - essentials.home
      - essentials.mail
      - essentials.mail.send
      - essentials.message.url
      - essentials.msg
      - essentials.pay
      - essentials.recipe
      - essentials.rules
      - essentials.sell
      - essentials.sellall
      - essentials.sethome.multiple
      - essentials.signs.use.buy
      - essentials.signs.use.disposal
      - essentials.signs.use.free
      - essentials.signs.use.sell
      - essentials.signs.use.spawnmob
      - essentials.signs.use.warp
      - essentials.suicide
      - essentials.tpa
      - essentials.tpaccept
      - essentials.tpahere
      - essentials.tpdeny
      - essentials.warp
      - essentials.warps
      - 'factions.*'
      - kits.spawn.Archer
      - kits.spawn.Basic
      - kits.spawn.Horse
      - kits.spawn.Miner
      - kits.spawn.Trapper
    inheritance: []
    info:
      prefix: '&6[Member]&f'
      build: true
      suffix: ''
  Administrator:
    default: false
    permissions:
      - essentials.ban
      - essentials.ban.ip
      - essentials.message.color
      - essentials.message.format
      - essentials.message.magic
      - essentials.powertool
      - essentials.powertool.toggle
    inheritance:
      - moderator
    info:
      prefix: '&2[Administrator]&7'
      build: true
      suffix: ''
  Co-Owner:
    default: false
    permissions:
      - -essentials.stop
      - 'essentials.*'
    inheritance:
      - moderator
      - administrator
    info:
      prefix: '&5[Co-Owner]&e'
      build: true
      suffix: ''
  second_group:
    default: false
    permissions:
      - tardis.enter
    inheritance: []
    info:
      prefix: ''
      build: false
      suffix: ''
  Moderator:
    default: false
    permissions:
      - essentials.ban.offline
      - essentials.enderchest
      - essentials.enderchest.modify
      - essentials.enderchest.others
      - essentials.fly
      - essentials.gc
      - essentials.item
      - essentials.kick
      - essentials.kill
      - essentials.killall
      - essentials.lightning
      - essentials.lightning.others
      - essentials.mute
      - essentials.nick
      - essentials.nick.color
      - essentials.nick.format
      - essentials.nick.magic
      - 'essentials.spawnmob.*'
      - essentials.vanish
      - 'punish.*'
      - 'worldedit.*'
    inheritance: []
    info:
      prefix: '&c[Moderator]&1'
      build: true
      suffix: ''
  Builder:
    default: false
    permissions:
      - 'tardis.*'
      - -essentials.vanish.see
      - 'essentials.*'
      - 'worldedit.*'
    inheritance:
      - Member
    info:
      prefix: '&a[Builder]&4'
      build: true
      suffix: ''
  Lapis:
    default: false
    permissions:
      - kits.spawn.lapis
      - essentials.give
      - essentials.repair
      - essentials.enchant
      - essentials.enderchest
      - kits.spawn.gold
      - kits.spawn.iron
      - kits.spawn.emerald
      - kits.spawn.coal
    inheritance:
      - Member
      - Gold
      - Iron
      - Emerald
      - Coal
    info:
      prefix: '&e&l[DONOR]&r&1&l[LAPIS]&e&l'
      build: true
      suffix: ''
#Please, validate your YAML
#-bearbear12345