Apart from other evidence, the use of B with the value of v, of H as well as I with the value of i, of 43 with the value of f, and X with that of the Scotch ch, would be proof that the alphabet was not borrowed till long after the Greek classical period, for not till later did 0, 4,, x become spirants and n become identified with L.
Voiceless spirants: if or ph (= Eng.
Voiced spirants: Eng.
The sounds of t and d are more dental than in English, though they vary; the voiced spirants are very soft; the voiceless nasals are aspirated, thus is similar to Eng.
K, t, p before a consonant are changed into the spirants kh Sanskrit.