Someone's mouth (ma-) is full of saliva, a snail is full of mucus, slime.
Mangahay danotok.
The snail is full of slime.
Someone drools saliva on something (-an).
Ngahayan mwabaw laylay mo, ta malapos.
Don't drool saliva on your shirt, because it is dirty.
Saliva, mucus, or slime is drooled on someone or something (ma--an).
Komaro ka daw, ta mangahayan ka.
Get away from there, because saliva will drool on you.
nyangahay
Someone (may-) has a bad taste in his mouth that causes him to vomit.