/usr/lib/aspell/fo.dat is in aspell-fo 0.4.2-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | name fo
charset iso8859-1
special ' -** - -** . -**
soundslike fo
affix fo
affix-compress true
repl-table fo_affix.dat
run-together
|