I used this package and got issues for exceptional rules as follows. (i) For 6, I am getting sixs but it should be **sixes**. (ii)For 20, I am getting twentys but it should be **twenties**.
I used this package and got issues for exceptional rules as follows.
(i) For 6, I am getting sixs but it should be sixes.
(ii)For 20, I am getting twentys but it should be twenties.