extending extender in lyric music

[Michael Dykes]

\version "2.18.0"
\include "english.ly"
\include "gregorian.ly"

\layout {
  \context{
    \Score \override SpacingSpanner.packed-spacing = ##f \version "2.18.0"
  }
  \context{
    \Lyrics \override LyricHyphen.minimum-distance = #2.5
    \override LyricSpace.minimum-distance = #1.5
  }
}

\header {
  title = \markup\bold\fontsize #2.0
    {"Resurrectional Prokeimenon"}
  subtitle = \markup\bold\fontsize #1.5
    {""}
  subsubtitle = ""
  poet = \markup\bold\fontsize #1.25
    {"Tone 7"}
  composer =  \markup\bold\fontsize #1.25
    {"Common Court Chant"}
   tagline = "Translation - OCA Traditional English"
}

% #(set-global-staff-size 22)
global = {
  \key f \major
  \override Staff.NoteHead.style = #'altdefault
  \override Staff.TimeSignature.stencil = ##f
  %\override Staff.BarLine.stencil = ##f
  \set Score.defaultBarType = "-"
  \bar "|."
}
move = { \bar "" \break }

soprano =
    \transpose f g{
\relative c'' {
  \global
  % Music follows here.
   a4 g2 g4 a \[bf bf bf\] a2 g2 \bar "!"
   bf4 bf a \bar ""  bf(c) bf(a) g1 a2 g f\breve \bar "|."
  }
}


bass =  \transpose f g{
\relative c {
  \global
  % Music follows here.
  f4 c2 c4 f \[e e e\] f2 c \bar "!"
  c4 c c \bar "" c2 e4(f) c1 f2 a, d\breve \bar "|."
}
}

verse = \lyricmode {
  % Lyrics follow here.
  The Lord shall give strength to His
    peo -- ple!
  The Lord shall bless __ His __ peo -- ple
    with peace.
}

psalmVerse = \markup \column {\large{Stichos:}
\large\bold{" Offer to the Lord, you sons of God!
Offer young rams to the Lord!"}
}

\score {
  \new ChoirStaff <<
    \new Staff \with {
      midiInstrument = "string ensemble 1"
      instrumentName = \markup \center-column { "Soprano" "Tenor"}
    } <<
      \new Voice = "soprano" { \voiceOne \soprano }
    >>
    \new Lyrics \lyricsto "soprano" \verse
    \new Staff \with {
      midiInstrument = "string ensemble 1"
      instrumentName = \markup \center-column { "Alto" "Bass" }
    } <<
      \clef bass
      \new Voice = "bass" { \voiceTwo \bass }
    >>
  >>
 \layout {
    ragged-last=##t
    #(layout-set-staff-size 22)
    \context {
      \Lyrics
      \override VerticalAxisGroup.staff-affinity = ##f
      \override VerticalAxisGroup.staff-staff-spacing =
        #'((basic-distance . 0)
       (minimum-distance . 2)
       (padding . 2))
    }
    indent = 1.25\cm
    \context {
      \Staff
      \override VerticalAxisGroup.staff-staff-spacing =
        #'((basic-distance . 0)
       (minimum-distance . 2)
       (padding . 2))
    }
  }
  \midi {
    \context {
      \Score
      tempoWholesPerMinute = #(ly:make-moment 150/4)
      }
    }
  }

\psalmVerse

I am trying to extend the extenders in "bless" and "His" above and am 
not sure how to do this. Any help is appreciated.


-Michael Dykes