GREEN CHILI BEEF/CHILI VERDE DE RES

2 tablespoons of oil
2 lb top round beef, steak or carne asada.
8 tomatillos
3 jalapenos
3 serrano chiles
1/2 of an onion
2 garlic cloves
1 tsp salt
1 tsp pepper
1 tsp adobo
1 tsp oregano
1/2 tsp cumin
1/4 cup water