  \documentstyle[merge,threecolumn]{letter}

  \catcode`@=11
  \def\startlabels{\labelcount=0 \baselineskip=0pt \lineskip=0pt
  \pagestyle{empty}
  \let\@texttop=\relax
  \topmargin -45pt
  \headsep 0pt
  \oddsidemargin -20pt
  \evensidemargin -20pt
  \textheight 11in
  \@colht\textheight  \@colroom\textheight \vsize\textheight
  \textwidth 8.5in
  \columnsep 0pt
  \xpt
  \baselineskip=0pt
  \lineskip=0pt
  \boxmaxdepth=0pt
  \parindent=0pt      %% corrected 3/5/86 
  \threecolumn\relax}
  \def\mlabel#1#2{\setbox0\vbox{\parbox[b]{2.5in}{\strut\ignorespaces #2}}
         \vbox to 1in{\vss \box0 \vss}}
  \catcode`@=12

  \makelabels
  \begin{document}
  \begin{merge}{myaddr}
  \end{merge}
  \end{document}
