Match the third order linear equations with their fundamental solution sets.

 1. $y'''-6 y''+y'-6 y = 0$
 2. $y'''-7 y'' +10 y' = 0$
 3. $ty'''-y'' = 0$
 4. $y'''+y' = 0$
 5. $y'''+3y''+3y'+y = 0$
 6. $y'''- y''- y'+ y = 0$

A. $\lbrace e^{6 t}, \ \cos(t), \ \sin(t) \rbrace$
B. $\lbrace 1, \ t, \ t^3 \rbrace$
C. $\lbrace 1, \ e^{2 t}, \ e^{5 t} \rbrace$
D. $\lbrace e^t, \ te^t, \ e^{-t} \rbrace$
E. $\lbrace e^{-t}, \ te^{-t}, \ t^2e^{-t} \rbrace$
F. $\lbrace 1, \ \cos(t), \ \sin(t) \rbrace$