--- /dev/null
+#!/usr/bin/perl
+
+while(<STDIN>) {
+ chop;
+ $words{$_} = '';
+ $know_about{$_} = 1;
+}
+
+sub valid_entry ( $ ){local $_ = $_[0]; /^[A-Za-z\']+$/ && exists $words{$_}}
+
+foreach my $f (qw(working/variant_0.lst working/variant_1.lst
+ working/variant_2.lst r/varcon/abbc.tab))
+{
+ open F, $f or die "Unable to open $f\n";
+ while (<F>) {
+ my (@words) = split /[\t\n]+/;
+ $know_about{$_} = 1 foreach @words;
+ }
+}
+
+open F, "r/varcon/voc.tab" or die;
+
+while (<F>) {
+ s/\(.+\)\n/\n/;
+ my ($word) = grep {valid_entry $_} (split /[,\t\n]/);
+ next unless defined $word;
+ y/,\t -/\n/;
+ $words{$word} .= $_;
+}
+
+open F, "r/varcon/variant.tab" or die;
+
+while (<F>) {
+ @w = grep {$know_about{$_}} (split /[\t\n]/);
+ next unless @w && grep {valid_entry $_} @w;
+ $words{$w[0]} .= "$_\n" foreach @w;
+}
+
+open F, "r/varcon/variant-wroot.tab" or die;
+
+while (<F>) {
+ s/^(.+)\:\t// or die;
+ my $root = $1;
+ next unless exists $words{$root};
+ @w = grep {$know_about{$_}} (split /[\t\n]/);
+ next unless @w && grep {valid_entry $_} @w;
+ $words{$w[0]} .= "$_\n" foreach @w;
+}
+
+while (($key, $value) = each %words) {
+ print "$key\n$value";
+}