Center letter: y
Outer letter: a e i l n v
Answers (31):
  naively
  venially
  allay
  alley
  ally
  anally
  eely
  envy
  evenly
  evilly
  illy
  inanely
  inlay
  leanly
  levelly
  levy
  lily
  lineally
  lively
  nanny
  navy
  ninny
  vainly
  valley
  veiny
  venally
  vilely
  villainy
  viny
  vinyl
  yell