NOVICE22  Problem 2
Character set of a text is the set of all the characters which are used at least once in the text. you are given an string of at most 200000 characters which contains only ASCII characters except whitespaces. you have to find the length of its character set.
Input
First line contains T the number of test cases. Each of next T lines contains an string S of at least 1 and at most 200000 characters.
Output
For each test case print the answer in a new line.
Example
Input:
2
abA
contact@nsit_programming_group
Output: 3
14
hide comments
Abhishek Vijjapu:
20140301 15:51:36
tle :'(


Unnati Gupta:
20130530 10:06:13
how come the second test case shows the answer 14


LeppyR64:
20110407 00:30:00
"at most 100000 characters."

Added by:  Mahesh Chandra Sharma 
Date:  20110125 
Time limit:  0.5s 
Source limit:  50000B 
Memory limit:  1536MB 
Cluster:  Cube (Intel G860) 
Languages:  All except: ASM64 
Resource:  NSIT Noivce contest #2 