Shiri, with her sensible flats, kept running, barely slowed by her squeaking sister. Almost like a force of nature, she dragged her sister forward -- she must have gotten that from her father's side -- much she was running much too quickly to bother with responses.
At least until she came to a complete, dead stop in front of Tempi. Only then, between catching her breath, she whispered in Erato's ear, "Calli and Thally."