18. The computer program product of claim 15 , further comprising a program code that, when executed by the computing device, causes the computing device to generate an N-best list of candidate words from the core lexicon and the extended lexicon.
18. The computer program product of claim 15 , further comprising a program code that, when executed by the computing device, causes the computing device to generate an N-best list of candidate words from the core lexicon and the extended lexicon. 19. The computer program product of claim 18 , further comprising a program code that, when executed by the computing device, causes the computing device to rank the N-best list of candidate words according to at least one criterion.