Natural language processing of abbreviations

National language processing (NLP) is one of the main problems in interactive communication between user and computer. Fast progress of IT technologies speeds up solutions of problems with speech processing. Computer systems of natural language need to transfer information in correct way from computer databases into natural language used by people, what is without knowing context complicated process. Morphologic speech model has to be able to generate correct sentences with grammatical sense. Considerable problems cause inflectionality of language (multiform), which is not easy to implement into artificial intelligence.