1 - 11 Letters

In Sanskrit:             First Vowel - First Consonant A K
Accordingly:            Vowels          Consonants
                                  Ali                   Kali
                                  Vashini          Vargas
This division was reflected in Western languages with 22 letters:
1 - 11                       12 - 22
A - K                          M -  T
In many countries, the 11th month was linked with the passage of the sun through Scorpio, linked with Rahu (Caput Draconis), the Upward node repsonsible for eclipses. 11 thus became linked with evil, death and the fool whose many names included a long A as Alaaf.
1          11
Alaf     Alaaf
eka     ekadasi
1 -11 Letters