"List sounds good. We can have a supply list too."

He's silent a few seconds to finish writing something, then looks over his shoulder -- tilts his head at the two of them and smiles.

"A list prioritising the other lists?"

That's peak personal assistant, surely? He goes back to filling out the forms, then digs for his wallet as he continues reading.

"The list probably needs to include looking up a vet and starting an emergency vet bill fund just in case."

Since wiggly puppies are still capable of running directly into danger and getting hurt, even when they're being cradled safely by someone like Ianto a lot of the time.