compare elements of a data table to itself rows to calculate similarity index of a string

Suppose i have a datatable in C# code

S/N Name Country

1. nabil pakistan
2. nabeel pakistan
3. naaaabil pakistan
4. naaabeeel Canada

i want to compare these element to one another by applying in a loop LevenshteinDistance(Soundex(datatable[i][1]), Soundex(array[j][1]))

LevenshteinDistance %=& Soundex are Methods that return.

result will be like this

1. nabil pakistan 80%
2. nabeel pakistan 70%
3. naaaabil pakistan 75%
4. naaabeeel pakistan 30%

then i will group by on basis of % of match.

plz help me out writing the code for generating the results.