2

flat

3-4

amoebal

5-10

bipedal

11

{% resultfirst = exclude pattern:"chimeric" source:{JOIN("&DIVIDE&", Re-roll 2 times (unique results only))} %}

{% result = split sep:"&DIVIDE&" source:{$resultfirst} %}

chimeric {{result.1}}-{{result.2}}

12-16

quadrupedal

17-19

serpentine

20

Roll on "Polyhedron"