Tamil + IPT 

அ (a) = u as “cup” in English 

ஆ (aa) = aa 

ஐ (ai) = ai 

ஔ (au) = au 

ச (cha) = cha 

எ (e) = e as “let” in English 

ஏ (ee) = e 

ஹ (ha) = ha

அஃ (ḥa) = ha

இ (i) = i as “tin” in English 

ஈ (ii) = ii 

க (ka) = k as “kite” in English 

க்ஷ (kṣa) = ksa 

ல (la) = la 

ழ (ḻa) = la 

ள (ḷa) = la (a retroflex lateral sound, no equivalent in English)

ம (ma) = ma

ந (na) = na

ன (ṉa) = na (pronounced with the tongue touching the upper front teeth)

ண (ṇa) = na (the tongue touching the palate)

ங (ṅa) = na

ஞ (ña) = ny as “canyon” in English 

ஒ (o) = o

ஓ (oo) = oo

ஂ (anusvāra) = Nasalizes the preceding vowel.

ஃ (visarga) = a slight aspiration or expulsion of breath.

ப (pa) = pa

ர (ra) = ra

ற (ṟa) = ra (pronounced with a curled tongue, similar to a “ṛ” sound)

ஸ (sa) = sa 

ஷ (ṣa) = sa

ஶ (śa) = sa

ட (ṭa) = ta

த (tha) = tha

உ (u) = u

ஊ (uu) = uu 

வ (va) = va

ய (ya) = ya