Those are your 'friends' nana. Look in your User Control Panel and they should be listed on the right corner box
That would be our puppy stealing your socks, mate. She steals Jodi's and mine so understandable that she's branched out internationally.
Our dogs only ever stole my husband's socks, dirty I might add, underpants too - stronger constitutions than I, if my husband was away! I would find the linen bin tipped out and a little heap in their baskets!!!