/usr/share/myspell/dicts/de-DE.dic is in hunspell-de-de 20120607-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/myspell/dicts/../../hunspell/de_DE.dic
/usr/share/myspell/dicts/../../hunspell/de_DE.dic