Repeat signs not working for me

[Piers Snell]

Newbie... I suspect I may be doing something very stupid.

Thank you in advance for your patience.

Piers.

\version "2.16.2"

\language "english"

\relative c' {  % for me, these all show as expected apart from one

  f1 \bar "|"

  f1 \bar "."

  g1 \bar "||"

  a1 \bar ".|"

  b1 \bar ".."  % for me, this shows blank

  c1 \bar "|.|"

  d1 \bar "|."

  e1

}

\relative c' {  % for me, only three of these show as expected, the rest blank

  f1 \bar ".|:"

  g1 \bar ":..:"

  a1 \bar ":|.|:"  % for me, this shows as expected

  b1 \bar ":|.:"  % for me, this shows as expected

  c1 \bar ":.|.:"

  d1 \bar "[|:"

  e1 \bar ":|][|:"

  f1 \bar ":|]"

  g1 \bar ":|."

  a1  % for me, this shows as expected

}