plz help me

I am using moto g. And by mistake while flashing rom via twrp recovery i formatted my rom. Now i dont have any os in my phone. I am stucked on "bootloader unlocked".. I read many thing how to improve it. Then i tried stock rom via fastboot. But i didnt work i am still stucked on the same page. My twrp recovery was corrupted. I flashed it again with fastboot. And tried different thing. Like flashing a rom with the help of otg cable,but by doing this my twrp recovery was again corrupted. I even tried to do adb sideload but Adb sideload is not working on my phone,it ends at o% and shows " failed" in my phone scree. Dalvin cache and caches are not able to be formatted by my phone. Everytime it shows the same thing "failed". I am really frustated now. Plzz guys help me :(