You are playing scrabble and you have n letters. Find the word with max points given letter points. Following are few considerations

1. Every word must be valid as per English dictionary.
2. For coding purpose, design your dictionary and store in memory.
3. letters can have duplcates
4. Size of dictionary can be huge
5. Number of letters can be in range of 7
6. word created must not be using more than given letters