text: Bitmasking for each string s
code: for c in s : NEW_LINE INDENT val = val | ( 1 << ( ord ( c ) - ord ( ' a ' ) ) ) NEW_LINE DEDENT temp = val NEW_LINE first = ord ( s [ 0 ] ) - ord ( ' a ' ) NEW_LINE count = 0 NEW_LINE while ( temp != 0 ) : NEW_LINE