Let's name a sibset of twelve using Nymbler!
I'll start with a name. The next poster types it into Nymbler and picks a sibling name from the suggestions. The poster after that inputs both names and chooses a sibling name from the suggestions. Poster number eight inputs the last six names because Nymbler can only take six at a time. When the sibling set reaches twelve names, the next poster starts with a new name.
The first sibset will start with....