The OpenType version of TeX Gyre Chorus has almost complete coverage of Latin Extended-A. Only four characters are missing: U+138
(Latin Small Letter Kra), U+0149
(Latin Small Letter N preceded by apostrophe, deprecated as of Unicode 5.2), U+0166
(Latin Capital Letter T with stroke), and U+0167
(Latin Small Letter T with stroke).
\RequirePackage{luatex85}% only if compiling with lualatex
\documentclass{standalone}
\usepackage{array,fontspec}
\setmainfont{TeX Gyre Chorus}
\begin{document}
\begin{tabular}{>{\sffamily}{l}llllllllllllllll}
& 0 & \sffamily 1 & \sffamily 2 & \sffamily 3 & \sffamily 4 & \sffamily 5 & \sffamily 6 & \sffamily 7 & \sffamily 8 & \sffamily 9 & \sffamily A & \sffamily B & \sffamily C & \sffamily D & \sffamily E & \sffamily F\\
U+010x & Ā & ā & Ă & ă & Ą & ą & Ć & ć & Ĉ & ĉ & Ċ & ċ & Č & č & Ď & ď\\
U+011x & Đ & đ & Ē & ē & Ĕ & ĕ & Ė & ė & Ę & ę & Ě & ě & Ĝ & ĝ & Ğ & ğ\\
U+012x & Ġ & ġ & Ģ & ģ & Ĥ & ĥ & Ħ & ħ & Ĩ & ĩ & Ī & ī & Ĭ & ĭ & Į & į\\
U+013x & İ & ı & IJ & ij & Ĵ & ĵ & Ķ & ķ & ĸ & Ĺ & ĺ & Ļ & ļ & Ľ & ľ & Ŀ\\
U+014x & ŀ & Ł & ł & Ń & ń & Ņ & ņ & Ň & ň & ʼn & Ŋ & ŋ & Ō & ō & Ŏ & ŏ\\
U+015x & Ő & ő & Œ & œ & Ŕ & ŕ & Ŗ & ŗ & Ř & ř & Ś & ś & Ŝ & ŝ & Ş & ş\\
U+016x & Š & š & Ţ & ţ & Ť & ť & Ŧ & ŧ & Ũ & ũ & Ū & ū & Ŭ & ŭ & Ů & ů\\
U+017x & Ű & ű & Ų & ų & Ŵ & ŵ & Ŷ & ŷ & Ÿ & Ź & ź & Ż & ż & Ž & ž & ſ\\
\end{tabular}
\end{document}
