\version "2.19.19"

\paper {
  ragged-last-bottom = ##f
}

\score {
  \new PianoStaff {
    <<
      \new Staff { c'' }
      \new Dynamics { s\pp }
      \new Staff { c }
    >>
  }
  \layout {}
}

\markup {
  \line {
    \score {
      \new PianoStaff {
        <<
          \new Staff { <c'' c> }
          \new Dynamics { s4\pp }
          \new Staff { c }
        >>
      }
      \layout {}
    }
    \score {
      \new PianoStaff {
        <<
          \new Staff { c''' }
          \new Dynamics { s4 }
          \new Staff { c' }
        >>
      }
      \layout {}
    }
  }
}