Is used by some people in the Northern part of Mexico like Chihuahua, short " YES SIR " pronounced with a peculiar intonation ( iiiñoor ) Used in US as well "iñor a sus ordenes ( yes sir, how may i help you)"
"iñor a sus ordenes ( yes sir, how may i help you)"
Is used by some people in the North of Mexico for short " if Mr " pronounced with a peculiar intonation ( iiinoor )