\version "2.18.2"

global = {
  \key e \minor
  \time 2/4
}

upper = \relative e' {
  \global
  s2 |
  \bar "|."
}

lower = \relative e {
  \global
  e4
  \override Beam.positions = #'(-5.5 . -5.5) % or similar…
  dis8 dis |
  \revert Beam.positions
}

centerup = \relative e' {
  \global
  d16\rest g fis e fis8 fis |
}

centerlow = \relative e {
  \global
  s16 b' a g 
  a16 b a b |
}

\new Staff {
  \clef "treble_8"
  << \upper \\ \lower \\ \centerup \\ \centerlow >>
}