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<?php for ($i = 65; $i <= 126; $i++) { If($i > 116){ echo "B" . chr($i-52)."<br>\n"; }ElseIf($i >90){ echo "A" . chr($i-26)."<br>\n"; }else{ echo chr($i)."<br>\n"; } } ?>

preferences:
52.23 ms | 402 KiB | 5 Q