import sys
data=sys.stdin.readlines()
data.pop(0)
for line in data:
temp=line[:-1].lower()
counter={}
for c in temp:
if c not in counter:
counter[c]=1
else:
counter[c]+=1
temp=list(counter.items())
result=sorted(temp, key=lambda x:x[1], reverse=True)
score=0
for i, (_, num) in enumerate(result):
score+=(26-i)*num
print(score)