The Full list ;)
#!/usr/local/bin/perl -lw
open(PERL, "/usr/share/dict/words");
while (<PERL>) {
chomp;
/^([perl])/i or next;
push @{lc($1)}, $_;
}
perl([], split //, "perl");
sub perl {
my $perl = shift;
my $letter = shift;
for (@$letter) {
perl([@$perl, $_], @_);
}
print join " ", @$perl;
}
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