Consider the polynomial $$ f(t) = t^3 + 6t^2 + 12t + 8. $$ What are the coefficients of $f(t-1)$? Enter your answer as an ordered list of four numbers. For example, if your answer were $f(t-1) = t^3 + 3t^2 - 2t + 7$, you'd enter (1,3,-2,7). (This is not the actual answer.)