3. A process as claimed in claim 2 , wherein said probabilities of confusing are determined on the basis of phonetic similarities of words of said input phrase and words of said grammar.
3. A process as claimed in claim 2 , wherein said probabilities of confusing are determined on the basis of phonetic similarities of words of said input phrase and words of said grammar. 7. A process as claimed in claim 3 , wherein said probability of confusing one phrase with another is derived using a list of branching decisions within a context-free grammar.