The FAQ above means Family's Answers&Questions, not some random Frequently Asked Questions.. yeah sorry i just love puns ^^;
so let's start this!
My side of the family calls my dad "abah".
The step-family calls him "ayah".
Even among the siblings including the step-sisters, I am the youngest.
But I refer to myself as just "Yah", or "saya".
The youngest step-sister, who's born in the same year as my older sister immediately above me, calls herself "adik".