A long one

e rat thuong a khong biet tai sao e chi ben a mot lan ma luc nao e cung uoc duoc o ben a het.e chi so la a den viet nam mot ngay ma kg den dc nua roi e rat lo cho a.

Above was an instant messenge to me. I believe it contains a few abbreviations used by the Vietnamese even on SMS. Eg, kg is không.

Kindly list down all the abbreviations you think can be found above.

e = em, I or me (not sure about this)
kg = không, not