whatever flaws igby goes down may possess 
(ROOT (S (SBAR (WHNP (WDT whatever) (NNS flaws)) (S (NP (NN igby)) (VP (VBZ goes) (ADVP (RP down))))) (VP (MD may) (VP (VB possess)))))
(ROOT (S (SBAR (WHNP (WDT ) (NNS )) (S (NP (NN )) (VP (VBZ ) (ADVP (RP ))))) (VP (MD ) (VP (VB )))))