NotoSerif-Regulars and NotoSerif-Regular-small-cap: ṆṆ ṇṇ ṂṂ
NotoSans-Regular and NotoSans-Regular-small-cap: ṆṆ ṇṇ ṂṂ
NotoSansMono-Regular and NotoSansMono-Regular-small-cap: ṆṆ ṇṇ ṂṂ