ma-
ma--an
To sense, hear, or feel something; to notice something or
someone.
damdam; pansin
Indio naba-yag ang siminled tang kiro ang namangan tang bog tang
kosi.
I didn't notice the dog come in and eat the cat's food.
Maski loloay-loaya ang molik, gaba-yagana tang tatay mo.
Even if you come home very quietly, your father still hears you.
magpa-
For the ghost of someone who has died to appear, cause itself to
be heard, felt, or smelled.
Asing ya-long labi tang polaw ni Lolo nagpaba-yag
tanandia.
When it was the third night of Grandfather's wake, his ghost
caused
itself
to
be
heard.