\documentclass[10pt,a4paper]{article}
\font\olsseight=olss8 scaled 1000
\font\olssnine=olss9 scaled 1000
\font\olssten=olss10 scaled 1000
\font\olsstwelve=olss12 scaled 1000
\font\olssseventeen=olss17 scaled 1000
\font\olssbx=olssbx10 scaled 1000
\font\olssdc=olssdc10 scaled 1000
\font\olssieight=olssi8 scaled 1000
\font\olssinine=olssi9 scaled 1000
\font\olssiten=olssi10 scaled 1000
\font\olssitwelve=olssi12 scaled 1000
\font\olssiseventeen=olssi17 scaled 1000
\font\olssq=olssq8 scaled 1000
\font\olssqi=olssqi8 scaled 1000
\newcommand{\Ligature}{%
\input test_alphabet.tex
}
\begin{document}

Computer Modern Roman:\\{\Ligature}

Sans Serif 8pt:\\{\olsseight \Ligature}

Sans Serif 9pt:\\{\olssnine \Ligature}

Sans Serif 10pt:\\{\olssten \Ligature}

Sans Serif 12pt:\\{\olsstwelve \Ligature}

Sans Serif 17pt:\\{\olssseventeen \Ligature}

Sans Serif Bold Extended 10pt:\\{\olssbx \Ligature}

Sans Serif Demibold Condensed 10pt:\\{\olssdc \Ligature}

Slanted Sans Serif 8pt:\\{\olssieight \Ligature}

Slanted Sans Serif 9pt:\\{\olssinine \Ligature}

Slanted Sans Serif 10pt:\\{\olssiten \Ligature}

Slanted Sans Serif 12pt:\\{\olssitwelve \Ligature}

Slanted Sans Serif 17pt:\\{\olssiseventeen \Ligature}

Sans Serif Quotation Style 8pt:\\{\olssq \Ligature}

Sans Serif Quotation Style Slanted 8pt:\\{\olssqi \Ligature}

\end{document}