PHOSPHIN
18
Scrabble
19
WWF
P(3) H(4) O(1) S(1) P(3) H(4) I(1) N(1)
NWL/TWL ✓ Collins ✓ WWF ✓
Hooks
Back hooks: PHOSPHIN-E PHOSPHIN-S
Back hooks: PHOSPHIN-E PHOSPHIN-S