local read, write = io.read, io.write
local num, nl = '*n', '\n'
local t

t = read(num)

while t > 0 do
	t = t-1
	local str
	str = read(num)
	
	
	local l = string.len(str)
	local i,count = 0,0
	while i < l do
		local j = 0
		while j < l do
			if string.byte(str,i) == string.byte(str,j) then count = count+1
			end
		end
	end
	write(count)
	write("\n")
end