Another point of view without using sort:
sub lword{
push(@{$a[length]},$_)for(pop)=~/\b\w+/g;@{$a[-1]}
}
Or clean the array every iteration too:
sub lword2{
for((pop)=~/\b\w+/g){push(@{$a[length]},$_);@b[0..-2]=''}@{$a[-1]}
}
Update:(Changed "while" with "for" after testing)
$anarion=\$anarion;
s==q^QBY_^=,$_^=$[x7,print
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