U1N1C3H4A1I1N1
12 points
UNCHAIN is validvalid
to free by removing a chain [v UNCHAINED, UNCHAINING, UNCHAINS]
to free from a chain [v -ED, -ING, -S]
to free by removing a chain [v UNCHAINED, UNCHAINING, UNCHAINS]
to free from a chain [v -ED, -ING, -S]