Slightly faster :) 
#!perl
use strict;
my %dict;
@ARGV = qw( d.dict d.input );

while(<>) # read in both files, load dict on first, match on second
  {
  chomp;
  (my $d = lc) =~ tr|a-z"/-|57630499617851881234762239|d;
  @ARGV ? push @{$dict{$d}}, $_ : match($d, 0, "$_:");
  }

sub match # (to match, last was digit, matches)
  {
  my ($in, $digit, @have, $k) = @_;
  map match(substr($in, $k), !++$digit, @have, $_),
    @{$dict{substr $in, 0, $k = $_}} for 2..length $in;
  $in =~ s/(.)// ? $digit || match($in, 1, @have, $1) : print "@have\n
+";
  }

[download]

In reply to Re^2: One for the weekend: challenge by Anonymous Monk
in thread One for the weekend: challenge by BrowserUk

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