"the man inside had an almost transparent skin , covering human organs and a metal skeleton . faragar growled at the sight of it . ailios then noticed how the skin was slowly turning opaque . '' so the major was right , '' said luthis . '' they do reproduce quickly . '' '' if they needed twenty-four hours to fully grow , then this one here is twenty-two hours old , i 'd say , '' said _ ..." What is the word in the blank space (_)? The answer is
ailios