#!perl -pl
push@{$_{join"",sort/(.)/g}},$_}for(grep/ /,sort map{"}"x(@_=sort@$_)."@_"}%_){s/}//g
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#!perl -nl
push@{$_{join"",sort split//}},$_}{s/}//g>1&&print for sort map{"}"x(@_=sort@$_)."@_"}%_
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#!perl -nl
push@{$_{join'',sort split//}},$_}{s/}//g>1&&print for sort map{'}'x(@_=sort@$_)."@_"}%_
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#!perl -nl
push@{$_{join'',sort split//}},$_}{s/\d//g,/ /&&print for sort map{@$_.join' ',sort@$_}values%_
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#!perl -nl
push@{$_{join'',sort split//}},$_}{s/~//g>1&&print for sort map{'~'x@$_.join' ',sort@$_}values%_
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#!perl -nl
push@{$_{join'',sort split//}},$_}{@{$_}>1&&print join' ',sort@{$_}for sort{@$a<=>@$b||(sort@$a)[0]cmp(sort@$b)[0]}values%_
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