['reawaken', 'awaken', 'enwrap', 'weaken', 'weaker', 'apnea', 'arena',
    'awake', 'aware', 'newer', 'paean', 'parka', 'pekan', 'prank', 'prawn',
    'preen', 'renew', 'waken', 'wreak']
Efficient hunting for words in scrambled letters