a => 4,
  b => 3,
  c => 3,
  d => 4,
  e => 4,
  f => 4,
  g => 4,
  h => 3,
  i => 3,
  j => 2,
  k => 3,
  l => 4,
  m => 3,
  n => 4,
  o => 4,
  p => 3,
  q => 1,
  r => 4,
  s => 5,
  t => 3,
  u => 4,
  v => 2,
  w => 3,
  x => 2,
  y => 3,
  z => 4,