6. The method of claim 1 , wherein the receiving the sequence of at least one letter from the user device includes receiving a first sequence of at least one letter and a second sequence of at least one letter, and wherein the second sequence includes the first sequence.
6. The method of claim 1 , wherein the receiving the sequence of at least one letter from the user device includes receiving a first sequence of at least one letter and a second sequence of at least one letter, and wherein the second sequence includes the first sequence. 7. The method of claim 6 , wherein the providing the candidate term based on the mapping includes providing a first candidate term based on mapping the first sequence with the database and providing a second candidate term based on mapping the second sequence with the database.