# Vowel Sandhi 1 Dīrgha (long) Sandhi a/ā + a/ā = ā 2 Yaṇ Sandhi i/ī, u/ū, ṛ/ṝ + dissimilar vowel i/ī=y-disimilar-vowel u/ū=v ṛ/ṝ=r 3 Guna Sandhi a/ā + dissimilar simple vowel = closest vowel 4 vr a/ā + dipthongs