Most common titles for grandfather and grandmother both on the father's and mother's side?

to me is paternal: ah Gong ah Ma. maternal: wai gong wai po but my in law has their own preference which I dislike told them before but they ignore. mama gong gong

As for us : Paternal : 爷爷奶奶 Ye Ye and Nai Nai Maternal : Grandpa and Grandma

Paternal side: Ah Gong & Ah Ma or Yeye & Nainai Maternal side: 外公 & 外婆

For me Paternal side : 爷爷奶奶 maternal side: 外公外婆

paternal: ah gong ah ma maternal: wai gong wai po外公外婆