Center letter: v
Outer letter: c d e l o p
Answers (26):
  codevelop
  codeveloped
  clove
  coevolve
  coevolved
  cove
  delve
  delved
  develop
  developed
  devolve
  devolved
  dove
  evolve
  evolved
  levee
  level
  leveled
  love
  loved
  peeve
  peeved
  veep
  veld
  vole
  voodoo