Let A be the 1x1x1 block, B be the 2x1x1 block, and C be the 2x2x1 block. Then a solution is:

C: NN-E-N-W-SSS-E-S-EEE-N-W-N
B: S-W-N
C: W-N-WW-SS-E-S-EEE-N-WW-N-WW-SS-EEE-N-W-N-W
B: S-W-S
C: E-S-E-S-WWW-NN-EE-S-EE-S-WWW-N-W-NN-EE-S-E-S-E-S-WWW-N-W-S-EE-N
B: E-N-E
C: S-WW-N-E-S-EEE-N-W-N
B: W-NN
C: S-E-S-WWWW-NNN-E
A: N-EEE
C: W-SSS-EEEE-N-W-S-WWW-NNN-EEEE-S
A: EE
C: N-WWWW-SSS-EEE-N-E-S-WWWW-NNNN-EEEEE-S
A: E-SS