or download this
perl -MList::Util="all" -lne "next unless/.../;my(%r,$c);$r{$_}++for(/
+./g);print if all{++$c==$_}sort values %r" linux.words
...
perl -MList::Util="all" -lne "next unless/.{10,}/;my(%r,$c);$r{$_}++fo
+r(/./g);print if all{++$c==$_}sort values %r" linux.words