Improvement of rules

This changes increase a precision for instrumental case of male.

Old precision - 97.9858%
New precision - 99.2664%

Total count of errors is decreased from 296 to 193
Average precision is increased from 99.6648% to  99.7815%.

Information relates to ```ruby```.

This changes don't generate new lines in ```errors.tsv``` file and affect to foreign lastnames such as ```Аарон```, ```Абрамсон```, ```Адамсон``` etc.