Note 1:

Context symbols

To define the context (preceding and following letters) in which written letters appear, the following symbols are used in these documents:

B	Beginning of word
F	End of word
V	Vowel
C	Any consonant or consonant cluster
NMNH	One of the consonants written n, m, or nh
LSN	One of the consonants written l, s or n
[CP]	One of the consonants written c or p
[CÇT]	One of the consonants written c, ç or t
EI	Any front vowel
AOU	Any back vowel
Lower case letter	That letter itself