POLYSTYRENE
19
Scrabble
20
WWF
P(3) O(1) L(1) Y(4) S(1) T(1) Y(4) R(1) E(1) N(1) E(1)
NWL/TWL ✓ Collins ✓ WWF ✓
Hooks
Back hooks: POLYSTYRENE-S
Back hooks: POLYSTYRENE-S