Server Confusion?

groups:
  Default:
    default: true
    permissions:
    - -bukkit.command.kill
    - essentials.spawn
    - essentials.help
    - essentials.home
    - essentials.sethome
    - -essentials.back
    - -essentials.exp
    - -essentials.hat
    - -essentials.ignore
    - -essentials.msg.color
    - -essentials.nick
    - -essentials.ping
    - -essentials.signs.create.disposal
    - -essentials.signs.create.mail
    - -essentials.signs.create.protection
    - -essentials.signs.create.trade
    - -essentials.signs.break.disposal
    - -essentials.signs.break.mail
    - -essentials.signs.break.protection
    - -essentials.signs.break.trade
    - -essentials.itemb
    inheritance:
    - g:essentials_builder
    - g:groupmanager_default
    - g:bukkit_default
    - g:essentials_default
    - g:towny_default
    info:
      prefix: '&a[&2Default&a] &f'
      build: true
      suffix: ''
  Trusted:
    default: false
    permissions:
    - -bukkit.command.kill
    - essentials.spawn
    - essentials.help
    - essentials.home
    - essentials.sethome
    - essentials.back
    - -essentials.exp
    - essentials.hat
    - essentials.ignore
    - essentials.msg.color
    - essentials.nick
    - essentials.ping
    - essentials.signs.create.disposal
    - -essentials.signs.create.mail
    - -essentials.signs.create.protection
    - essentials.signs.create.trade
    - -essentials.signs.break.disposal
    - -essentials.signs.break.mail
    - -essentials.signs.break.protection
    - -essentials.signs.break.trade
    - -essentials.itemb
    inheritance:
    - g:essentials_builder
    - g:groupmanager_default
    - g:bukkit_default
    - g:essentials_default
    - g:towny_default
    info:
      prefix: '&0[&1Trusted&0] &f'
      build: true
      suffix: ''
  Builder:
    default: false
    permissions:
    inheritance:
    - default
    - g:essentials_builder
    - g:towny_builder
    info:
      prefix: '&3[&cBuilder&3] &f'
      build: true
      suffix: ''
  Pre-Mod:
    default: false
    permissions:
    - -essentials.tp
    - -essentials.tphere
    - -essentials.item
    - -essentials.give
    inheritance:
    - Builder
    - g:groupmanager_moderator
    - g:bukkit_moderator
    - g:essentials_moderator
    - g:towny_moderator
    - g:vanish_moderator
    info:
      prefix: '&b[&9Pre-Mod&b] &f'
      build: true
      suffix: ''
  Mod:
   default: false
   permissions:
    - essentials.tp
    - essentials.tphere
    - essentials.item
    - essentials.give
   inheritance:
    - Pre-Mod
    - g:groupmanager_moderator
    - g:bukkit_moderator
    - g:essentials_moderator
    - g:towny_moderator
    - g:vanish_moderator
    info:
      prefix: '&4[&dMod&4] &f'
      build: true
      suffix: ''
  Semi-Admin:
    default: false
    permissons:
    - +groupmanager.manpromote
    - +groupmanager.manpromote
    - -groupmanager.*
    - '*'
     inheritance:
    - Mod
    - g:groupmanager_admin
    - g:bukkit_admin
    - g:essentials_admin
    - g:towny_admin
    - g:vanish_admin
    info:
      prefix: '&0[&4Semi-Admin&0] &f'
      build: true
      suffix: ''
  Admin:
    default: false
     permissions:
    - '*'
    inheritance:
    - Semi-Admin
    - g:groupmanager_admin
    - g:bukkit_admin
    - g:essentials_admin
    - g:towny_admin
    - g:vanish_admin
    info:
      prefix: '&b[&4Admin&b] &f'
      build: true
      suffix: ''
  Owner:
    default: false
    permissions:
    - '*'
    - -vanish.*
    inheritance:
    - admin
    info:
      prefix: '&0[&5Owner&0] &f'
      build: true
      suffix: ''