7. The method of claim 3 wherein said calculating comprises breaking said portion of said username into letter pairs or letter triplets and determining a frequency of occurrence of said letter pairs or letter triplets in a spoken language.
7. The method of claim 3 wherein said calculating comprises breaking said portion of said username into letter pairs or letter triplets and determining a frequency of occurrence of said letter pairs or letter triplets in a spoken language. 8. The method of claim 7 wherein said calculating calculates a high likelihood of pronounceability when said frequency of occurrence of said letter pairs or letter triplets in said spoken language exceeds a threshold.