First add the whitelist words to the in memory dictionary and then go for the actual dictionary
First add the whitelist words to the in memory dictionary
and then go for the actual dictionary

This way there is no chance of the whitelist words overwriting
the words from the dictionary and therefore no need for a check
while inserting words in the trie.

abhinav-upadhyay/nbspell,abhinav-upadhyay/nbspell