Allies table from GHB 2018:
Ironjawz - Aleguzzler Gargants, Bonesplitterz, Gitmob Grots, Greenskinz, Moonclan Grots, Troggoths
Moonclan Grots - Aleguzzler Gargants, Gitmob Grots, Greenskinz, Spiderfang Grots, Troggoths
Spiderfang Grots - AleguzzlerGargants, Gitmob Grots, Greenskinz, Moonclan Grots, Troggoths
IJ can have GSG in ally, but they cant have IJ in list.