Sotho swear words beginning with the letter N

Phrase Meaning Is This Accurate?
Nngwana mmao ya nkga. Your mama's vigina stinks (67%)      (33%)
Nnywana ya mmao Your mother's cunt (100%)      (0%)
Nyam Maw Your mothers Cunt (88%)      (13%)
Nyoana mmao your mothers cunt (100%)      (0%)

Sotho Swear Words by Letter:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z