this var t ;_;

regex is typing...

table is given as NATO

Good use of short-circuit evaluation, helped me clean my code up.

Great solution, however the table definition is not needed. NATO has been defined as a dictionary for us with letter to word mappings ready to use.

Well replace would reduce the number of characters before the split, resulting in a shorter array for filter to spin through. Since each array element is a string, then fewer String objects are created.