2. A speech recognition system as defined in claim 1, comprising second processing unit for processing said augmented list for selecting an orthography from said augmented list as a possible candidate to the spoken utterance.
2. A speech recognition system as defined in claim 1, comprising second processing unit for processing said augmented list for selecting an orthography from said augmented list as a possible candidate to the spoken utterance. 6. A speech recognition system as defined in claim 2, wherein said standard text lexicon includes M orthographies, said orthography insertion unit inserts into said list N orthographies present in said standard text lexicon, where M.gtoreq.N.