symbol

c

single consonant, either
unvoiced: p, t, k, f, c, s, h
voiced: b, d, g, v, j, z, x
restricted: l, r, m, n, 6, 2

cc

an acceptable consonant pair; two adjacent consonants, any of the following:

in initial position:
voiced | unvoiced ejective + voiced | restricted | liquid-consonant
unvoiced + unvoiced | restricted | liquid-consonant
restricted + liquid-consonant

in final position:
voiced + voiced | restricted
unvoiced + unvoiced | restricted | liquid-consonant
restricted + voiced | unvoiced | unvoiced ejective | click

forbidden pairs: cs, sc, jz, zj, ch, hc, hk, kh, mz, xd, dx, or double consonants (i.e., jj)

ccc

an acceptable consonant trio; three adjacent consonants,

in initial position:
voiced + voiced + restricted | liquid-consonant
unvoiced + unvoiced | unvoiced ejective + restricted | voiced | liquid-consonant
            (first two may not be a forbidden pair)

in final position:
voiced + unvoiced + unvoiced | unvoiced ejective | restricted
restricted + unvoiced + unvoiced | unvoiced ejective | restricted
unvoiced + unvoiced + unvoiced | unvoiced ejective | restricted
            (last two may not be a forbidden pair)

L

liquid-consonant: y, w

R

restricted consonant,

may act as an initial or final single consonant
may act as first consonant in a final cc style='font-family: Arial;color:black'> or ccc consonant cluster or as the second consonant in an initial cc consonant cluster
(except 6 which may only act as an initial single consonant, a final single consonant or as the first consonant in a final cc or ccc consonant cluster)

restricted consonants: l, m, n, r, 6, 2

K

'click' consonant, may only act in final single consonant position

v

single vowel: a, e, i, o, u, q, 3

vv

vowel diphthong: ai, au, ei, eu, ii, iu, oi, ui, qi