Let's see....
IkkakuxKeigo
IsshinxIchigo
RyuukenxUryu
KenpachixMayuri
KenpachixNnoitra
KenpachixIkkaku
IkkakuxRenji
RenjixUryu
GinxIzuru
NnoitraxTesla
NnoitraxSzayel
YoruichixSoifon
NnoitraxGinxSzayel
KenpachixIkkakuxKeigo
AizenxGinxIzuru
Ah, I know there are others but I can't think of them right now.