#!/usr/bin/perl
while (<>) {
    next if /^\./;
    next if /^From / .. /^$/;
    next if /^Path: / .. /^$/;
    s/^\W+//;
    push(@ary,split(' '));
    while ($#ary > 1) {
        $a = $p;
        $p = $n;
        $w = shift(@ary);
        $n = $num{$w};
        if ($n eq '') {
            push(@word,$w);
            $n = pack('S',$#word);
            $num{$w} = $n;
        }
        $lookup{$a . $p} .= $n;
    }
}
for (;;) {
    $n = $lookup{$a . $p};
    ($foo,$n) = each(lookup) if $n eq '';
    $n = substr($n,int(rand(length($n))) & 0177776,2);
    $a = $p;
    $p = $n;
    ($w) = unpack('S',$n);
    $w = $word[$w];
    $col += length($w) + 1;
    if ($col >= 65) {
        $col = 0;
        print "\n";
    }
    else {
        print ' ';
    }
    print $w;
    if ($w =~ /\.$/) {
        if (rand() < .1) {
            print "\n";
            $col = 80;
        }
    }
}