I hope this is original I spent a whole afternoon working on it Comments welcomed 
$x='justice,tan south jer,nor the pearl,her packer';
$_='ice'; foreach $y (split ',', $x) {$i=length;
while($i) {$z=quotemeta;$y =~ s/([$z])//;$z =~ s/$1//;$_=$z; $i--;}
$_=$y;s/ //g;print&&print ' ';}

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In reply to First Attempt by maetrics

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