How to Sneak Attack with a Familiar with Aid Another action when master and Familiar go at different Initiative order?

How to Sneak Attack Rogue with a Familiar how do use Aid Another action when the Familiar goes on its own Initiative and your and it go at different Initiative order?

DreamProxies - Cheapest USA Elite Private Proxies 100 Private Proxies 200 Private Proxies 400 Private Proxies 1000 Private Proxies 2000 Private Proxies ExtraProxies.com - Buy Cheap Private Proxies Buy 50 Private Proxies Buy 100 Private Proxies Buy 200 Private Proxies Buy 500 Private Proxies Buy 1000 Private Proxies Buy 2000 Private Proxies ProxiesLive Proxies-free.com New Proxy Lists Every Day Proxies123