Letter N
The letter N symbolizes a linear jump, from one digit to another, within a number with a couple of digits.
Contrary to the letter M .
An example:
For the number of two digits ... 26, the second word, the third word, the fourth word, the fifth word and the sixth word will be selected. And so successively.
For the number ... 51 the fifth word, the fourth word, the third word, the second word and the first word will be selected. And so successively.
For the number ... 22 the second word will be selected and, again, the second word. And so successively
