e]dz ov [t][w]t than the twelv tipikal si[n]gel vouelz. Beseidz,
ther jenerali iz hwot the French meit k[w]l a f[o]netik solidariti in
[i]ch deialekt. If w[u]n vouel ch[e]njez, the [u]therz ar apt tu fol[o],
and the m[e]n objekt ov la[n]gwej rem[e]nz the s[e]m [t]r[ue]out, n[e]mli,
tu prevent w[u]n w[u]rd from r[u]ni[n] intu an[u]ther, and yet tu abst[e]n
from t[ue], miniut fonetik disti[n]kshonz, hwich an ordinari [i]r meit
feind it difik[u]lt tu grasp. This prinsipel ov f[o]netik solidariti iz ov
gr[e]t importans, not onli in ekspl[e]ni[n] the gradiual ch[e]njez ov
vouelz, b[u]t [w]ls[o] s[u]ch jeneral ch[e]njez ov konsonants az w[i]
s[i], for instans, in the Jerman _Lautverschiebung_. Az s[ue]m az w[u]n
pl[e]s iz left v[e]kant, ther iz preshur tu fil it, or s[o] m[u]ch ov it
az iz left v[e]kant, b[u]t n[o] m[o]r.

Ther ar, in fakt, t[ue] branchez, or at [w]l events, t[ue] kweit
disti[n]kt praktikal aplik[e]shonz ov the seiens ov F[o]netiks, hwich for
wont ov beter n[e]mz, ei design[e]t az _filolojikal_ and _deialektikal_.
Ther iz hwot m[e] b[i] k[w]ld a filolojikal st[u]di ov F[o]netiks, hwich
iz an esenshal part ov the Seiens ov La[n]gwej, and haz for its objekt tu
giv a kl[i]r eid[i]a ov the alfabet, not az riten, b[u]t az sp[o]ken. It
tr[i]ts ov the mat[i]rialz out ov hwich, the instruments with hwich, and
the proses bei hwich, vouelz and konsonants ar formd; and after
ekspl[e]ni[n] hou serten leterz agr[i], and difer, in th[e]r mat[i]rial,
in the instruments with hwich, and the proses bei hwich th[e] ar prodiust,
it en[e]belz [u]s tu [u]nderstand the k[w]zez and rez[u]lts ov hwot iz
k[w]ld F[o]netik Ch[e]nj. In meni respekts the most instr[u]ktiv
tr[i]tment ov the jeneral [t][i]ori ov F[o]netiks iz tu b[i] found in the
Prati_s_akhyas; partikiularli in the [o]ldest (400 B.K.), that atacht tu
the Rig V[e]da.(71) Th[o] the n[u]mber ov posibel soundz m[e] s[i]m
infinit the n[u]mber ov r[i]al soundz y[ue]zd in Sanskrit or eni [u]ther
given la[n]gwej for the p[u]rpos ov ekspresi[n] diferent sh[e]dz ov
m[i]ni[n], iz veri limited. It iz with th[i]z br[w]d kategoriz ov sound
al[o]n that the Prati_s_akhyas d[i]l; and it iz for a proper
[u]nderstandi[n] ov th[i]z the Seiens ov La[n]jgwej haz tu inkl[ue]d
within its sf[i]r a k[e]rful st[u]di ov F[o]netiks.

The deialektikal st[u]di ov F[o]netiks haz larjer objekts. It wishez tu
ekz[w]st [w]l posibel soundz hwich kan b[i] prodiust bei the v[o]kal
organz, litel konsernd az tu