meh. I amended the rules, taking out the "2 suggestions per round" rule. Gotta get this thing filled up :D
I'll take POWR for P, and if you've got one more suggestion, you can have your name on up to 4 exhibits.
EDIT: LMAO! looked at the table, and already have a P crypto.
If you really want to fill it up then...
Waves for W: https://coinmarketcap.com/currencies/waves/ Qtum for Q: https://coinmarketcap.com/currencies/qtum/
I actually think that Powerledger is a stronger bet than the existing P crypto because it is one that will allow people to trade excessive energy that are captured by renewable installations and has a pretty strong future, but of course you have to make the decisions if there are more than one with the same letter :)