local t = io.read("*n", "*l")
for i = 1, t do
  local minmodcount = 100
  local str = io.read()
  local n = #str
  for j = 1, n - 10 do
    local jmodcount = 0
    if(str:sub(j, j) ~= "g") then jmodcount = jmodcount + 1 end
    if(str:sub(j + 1, j + 1) ~= "o") then jmodcount = jmodcount + 1 end
    if(str:sub(j + 2, j + 2) ~= "o") then jmodcount = jmodcount + 1 end
    if(str:sub(j + 3, j + 3) ~= "d") then jmodcount = jmodcount + 1 end
    for k = j + 4, n - 6 do
      local kmodcount = 0
      if(str:sub(k, k) ~= "p") then kmodcount = kmodcount + 1 end
      if(str:sub(k + 1, k + 1) ~= "r") then kmodcount = kmodcount + 1 end
      if(str:sub(k + 2, k + 2) ~= "o") then kmodcount = kmodcount + 1 end
      if(str:sub(k + 3, k + 3) ~= "b") then kmodcount = kmodcount + 1 end
      if(str:sub(k + 4, k + 4) ~= "l") then kmodcount = kmodcount + 1 end
      if(str:sub(k + 5, k + 5) ~= "e") then kmodcount = kmodcount + 1 end
      if(str:sub(k + 6, k + 6) ~= "m") then kmodcount = kmodcount + 1 end
      minmodcount = math.min(minmodcount, kmodcount + jmodcount)
    end
  end
  print(minmodcount)
end