#3p0s1: # Less optimal
(?:   (?: icat | ativ | aliz )  e
  |   iciti
  |   (?: ica | fu )  l
  |   ness
)
#3p1s0r: # More optimal - performance gains in reverse
(?:   e  (?: taci | vita | zila )
  |   itici
  |   l  (?: aci | uf )
  |   ssen
)