What are the top 10 suggestions for fillings in Mexican street tacos?

1.	Steak (carne asada)
2.	Chicken (pollo)
3.	Beef Cheeks (cabeza)
4.	Braised Beef (barbacoa)
5.	Braised Pork (carnitas)
6.	Pork Marinated with Pineapple (al pastor)
7.	Shrimp (camaron)
8.	Sausage (chorizo)
9.	Fish (pescado)
10.  Beans (frijoles)