For an example of Malayalam (and I suppose Sanskrit) writing bhāyi for what is transcribed in English "Bayi"https://en.wikipedia.org/wiki/Gowri_Lakshmi_Bayihttps://ml.wikipedia.org/wiki/ആയില്യം_തിരുനാൾ_ഗൗരി_ലക്ഷ്മിഭായി