14. The method of generating the record sentence of claim 12 , further comprising: generating a weight for a word having the unseen unit, wherein the weight for the word is determined according to a linguistic criterion for the word and/or a phonetic criterion for the word.
16. The method of generating the record sentence of claim 14 , further comprising: generating a weight for the sentence having the unseen unit, wherein the weight for the sentence is determined according to a linguistic criterion for the unseen unit and/or a phonetic criterion for the unseen unit.