(1) After initial vowels
for the second letter: b d l-m n p r s-t u-y use number: 2 3 4 5 6 7 8 9
(2) After initial letter S
for the second letter: a ch e h-i m-p t u w-z use number: 2 3 4 5 6 7 8 9
(3) After initial letters Qu
for the third letter: a e i o r t y use number: 3 4 5 6 7 8 9 For initial letters Qa-Qt, use: 2-29
(4) After other initial consonants
for the second letter: a e i o r u y use number: 3 4 5 6 7 8 9
(5) For expansion
for the letter: a-d e-h i-l m-o p-s t-v w-z use number: 3 4 5 6 7 8 9
(6) Numbers go in A 12-19.