>>3 Perl5

for (<DATA>) {
　my %h = map{$_ => 1} grep{/[a-z]/i} split '';
　push @a, $_ if 26 == keys %h;
}
@s = sort{length($a) <=> length($b)} @a;
print $s[0];
__DATA__
The quick brown fox jumps over a lazy dog.
The jay, pig, fox, zebra and my wolves quack!
Pack my box with seven dozen liquor jugs.
The horse, pig, fox, zebra and my wolves quack!
Jackdaws love my small sphinx of quartz.
Jackdaws love my big sphinx of quartz.
The quick brown fox jumps over a lazy cat.
Pack my box with five dozen liquor jugs.

※ 見易くするためインデントを全角スペースに置換してあります。


実行結果：

$ perl 22_3_az26.pl
Jackdaws love my big sphinx of quartz.