#!perl -nl
push@{$s{join"",sort/./g}},$_}{@$_>1&&print"@$_"for values%s
|
#!perl -nl
push@{$s{join"",sort+split//}},$_}{@$_>1&&print"@$_"for values%s
|
#!perl -nl
push@{$s{join"",sort/./g}},$_}{@$_>1&&print"@$_"for sort{@$a<=>@$b||"@$a"cmp"@$b"}map{[sort@$_]}values%s
|