You absolutely can combine
Bifen IT,
NyGuard IGR, and Kicker together following each products label.
Bifen is mixed at 1/2 oz to 1 oz per gallon.
NyGuard is 3 ml - 8 ml per gallon.
Kicker when mixed with an insecticide is mixed at 1/4 to 1/2 oz per gallon.