P3I1L1L1B3U1G2
12 points
PILLBUG is validvalid
a wood louse that can roll up into a ball [n PILLBUGS]
a wood louse that can roll itself into a ball [n -S]
a wood louse that can roll up into a ball [n PILLBUGS]
a wood louse that can roll itself into a ball [n -S]