Just add everything that is available for mining and are on the exchanges, for example

AltCommunity (ALT)
Bitcoin Gold (BTG)
BitcoinZ (BTCZ)
Bitcore (BTX)
Bulwark (BWK)
BZL Coin (BZL)
Crowd Coin (CRC)
Denarius (DNR)
Desire (DSR)
Feathercoin (FTC)
Galactrum (ORE)
Goa Coin (GOA)
Guncoin (GUN)
Halcyon (HAL)
Hush (HUSH)
Komodo (KMD)
Mun Coin (MUN)
Orbitcoin (ORB)
Phoenixcoin (PXC)
SmartCash (SMART)
Trezar (TZC)
UFO (UFO)
Urals Coin (URALS)
VIVO (VIVO)
Vote Coin (VOT)
ZCash (ZEC)
ZClassic (ZCL)
ZCoin (XZC)
ZenCash (ZEN)
Zero (ZER)