Someone (mang-, mangi-) mixes something (i-, pa--en) into something else (-an).
Manglaok ka so birabīra do inapoy.
Mix the taro into the cooked rice.
Ilaok mo nyoy do kanen bago.
Mix the coconut into the pig food.
Mix banana into the cooked rice.
Laokan mo so asokar arina.
Mix the sugar into the flour.