a, ā; i, ī; u, ū; ṛi, ṛī; e, ai; o, au;
k, kh; g, gh; ṅ; ch, chh; j, jh; ñ;
ṭ, ṭh; ḍ, ḍh; ṇ; t, th; d, dh; n;
p, ph; b, bh; m; y, r, l, v;
ś, sh, s; h; ṁ; ḥ.