
\pdfoutput=1

\directlua0{ dofile('opentype.lua') }

\overfullrule=0pt

\font\myfont=KozMinProVI-Regular.otf at 20pt 
\myfont \baselineskip 40pt

\font\minifont=cmr5 at 5pt
 
\newcount \charcnt
\def\charbox#1%
  {\setbox0=\hbox{\char #1}%
   \ifdim\wd0>0pt 
      \hbox to 35pt{\hss \raise20pt\rlap{\minifont\the#1}\box0\hss}%
      \hskip 0pt plus 2pt
   \fi }

\leavevmode
\loop
  \charbox{\charcnt}\advance\charcnt 1
\ifnum\charcnt < 65000 \repeat

\bye