T1R1I1S1O1C3T1A1H4E1D2R1O1N1S1
21 points
TRISOCTAHEDRONS is validvalid
TRISOCTAHEDRON, a polyhedron with 24 congruent triangular sides [n]
TRISOCTAHEDRON, a solid figure having 24 congruent faces and an octahedron as a base [n]
TRISOCTAHEDRON, a polyhedron with 24 congruent triangular sides [n]
TRISOCTAHEDRON, a solid figure having 24 congruent faces and an octahedron as a base [n]