I vote for male #1 with female #2.
Female #1 has good body form but she has rather rounded caudal. And her anal fin may be a bit long - thus unbalanced fins. #2's body isn't the best but she has wide end body (where body meets caudal), better caudal (potential wide spread), and more balanced fins. She has poor dorsal, similar to female #1. #3 has poor general finnage.
Male #1 has the best general form, though his dorsal could be better (#2 has better dorsal but unbalanced finnage). He looks rather young or he has generally small finnage but ballanced. #3 may have potential but I can't see because he isn't flaring. #4 has the best dorsal but poor balance in general - caudal too small. #5 is a rose - never breed them until you know genetics better. #6 is not clear and may be a rose too.