ftp://ftp2.nl.freebsd.org/debian-archive/pool/non-free/x/  direct

[DIR]xzx/  direct  129 twin directories
[DIR]xtrojka/  direct  173 twin directories
[DIR]xtrkcad/  direct  701+ twin directories
[DIR]xtoolplaces/  direct  58 twin directories
[DIR]xsnow/  direct  972+ twin directories
[DIR]xslideshow/  direct  377+ twin directories
[DIR]xshodo/  direct  703+ twin directories
[DIR]xpostitplus/  direct  44 twin directories
[DIR]xpdf-korean/  direct  711+ twin directories
[DIR]xpdf-japanese/  direct  711+ twin directories
[DIR]xpdf-chinese-traditional/  direct  710+ twin directories
[DIR]xpdf-chinese-simplified/  direct  711+ twin directories
[DIR]xpacman/  direct  337+ twin directories
[DIR]xmame/  direct  1576+ twin directories
[DIR]xinvaders/  direct  227+ twin directories
[DIR]xgobi-doc/  direct  210+ twin directories
[DIR]xgobi/  direct  413+ twin directories
[DIR]xfractint/  direct  1714+ twin directories
[DIR]xfonts-scalable-nonfree/  direct  571+ twin directories
[DIR]xfonts-naga10/  direct  512+ twin directories
[DIR]xephem/  direct  583+ twin directories
[DIR]xearth/  direct  816+ twin directories
[DIR]xanim/  direct  758+ twin directories
[DIR]xacc-smotif/  direct  36 twin directories
[DIR]x3270/  direct  1943+ twin directories