anchor.diff:  jean,jane,jeannie
   jeanette,jessie,jean,janet,nettie
   jeanne,jane,jeannie
  -jeb,jebadiah
  +jebadiah,jeb
   jedediah,dyer,jed,diah
  -jedidiah,jed
  -jeff,geoffrey,jeffrey
  +jedidiah,dyer,jed,diah
   jefferey,jeff
   jefferson,sonny,jeff
   jeffrey,geoff,jeff
  
positive.code: leonora,nora,nell,nellie
  leonore,nora,honor,elenor
  leroy,roy,lee,l.r.
  les,lester
  leslie,les
  lester,les
  letitia,tish,titia,lettice,lettie
  
negative.code: frankie,frank,francis
  franklin,fran,frank
  franklind,frank
  freda,frieda
  frederica,frederick,freddy,
  frederick,freddie,freddy,fritz,fred
  fredericka,freddy,ricka,freda,frieda
  frieda,freddie,freddy,fred
  gabriel,gabe,gabby
  gabriella,ella,gabby
  gabrielle,ella,gabby
  genevieve,jean,eve,jenny
  geoffrey,geoff,jeff
  georgiana,georgia
  gerald,gerry,jerry
  geraldine,gerry,gerrie,jerry,dina
  gerhardt,gay
  gertie,gertrude,gert
  gertrude,gertie,gert,trudy
  gilbert,bert,gil,wilber
  gloria,glory
  governor,govie
  greenberry,green,berry
  gregory,greg,gory
  gretchen,margaret
  griselda,grissel
  gum,monty
  gus,gussie
  gustavus,gus,gussie
  gwen,wendy
  gwendolyn,gwen,wendy
  hamilton,ham
  hannah,nan,nanny,anna
  