B3O1N1E1B3L1A1C3K5S1
20 points
BONEBLACKS is validvalid
BONEBLACK, a fine charcoal made from animal bones [n]
BONEBLACK, black residue from the destructive distillation of bones [n]
BONEBLACK, a fine charcoal made from animal bones [n]
BONEBLACK, black residue from the destructive distillation of bones [n]