All gender combos, without repeating names:
[name_f][/name_f]GGGG:
[name_f][/name_f][name_f]Dorothy[/name_f] [name_f]Violetta[/name_f], [name_f]Matilda[/name_f] [name_f]Vivian[/name_f], [name_f]Frances[/name_f] [name_f]Virginia[/name_f], and [name_f]Rosalie[/name_f] [name_f]Vanessa[/name_f]
[name_f][/name_f][name_f]Dottie[/name_f], [name_f]Tillie[/name_f], [name_f]Annie[/name_f], and [name_f]Sallie[/name_f]
[name_f][/name_f]GGGB:
[name_f][/name_f][name_f]Marianne[/name_f] [name_f]Florence[/name_f], [name_f]Josephine[/name_f] [name_f]Alice[/name_f], [name_f]Winifred[/name_f] [name_f]Ramona[/name_f], and [name_m]John[/name_m] [name_m]Griffin[/name_m]
[name_f][/name_f][name_f]Annie[/name_f], [name_f]Effie[/name_f], [name_m]Freddie[/name_m], and [name_m]Johnny[/name_m]
[name_f][/name_f]GGBB:
[name_f][/name_f][name_f]Annie[/name_f] [name_f]Peridot[/name_f], [name_f]Laura[/name_f] [name_f]Tamsin[/name_f], [name_m]Henry[/name_m] [name_m]Alistair[/name_m], and [name_m]Peter[/name_m] [name_m]Isidore[/name_m]
[name_f][/name_f][name_f]Anne[/name_f], [name_m]Laurie[/name_m], [name_m]Hal[/name_m], and [name_m]Pete[/name_m]
[name_f][/name_f]GBBB:
[name_f][/name_f][name_f]Isadora[/name_f] [name_f]Lucy[/name_f], [name_m]Leander[/name_m] [name_m]Wells[/name_m], [name_m]Declan[/name_m] [name_m]Joseph[/name_m], and [name_m]Frederick[/name_m] [name_m]Alan[/name_m]
[name_f][/name_f][name_f]Sadie[/name_f], [name_m]Leo[/name_m], [name_m]Dean[/name_m], and [name_m]Fred[/name_m]
[name_f][/name_f]BBBB:
[name_f][/name_f][name_m]Hugo[/name_m] [name_m]Valentine[/name_m], [name_m]Edmund[/name_m] [name_m]Tristan[/name_m], [name_m]Stellan[/name_m] [name_m]Oliver[/name_m], and [name_m]Wilbur[/name_m] [name_m]Gabriel[/name_m]
[name_f][/name_f][name_m]Hal[/name_m], [name_m]Ted[/name_m], [name_m]Stan[/name_m], and [name_m]Will[/name_m]
[name_f][/name_f]
Using an ABC theme:
[name_f][/name_f][name_f]Annabelle[/name_f] [name_f]Emerald[/name_f], [name_f]Bernadette[/name_f] [name_f]Felicity[/name_f], [name_f]Caroline[/name_f] [name_f]Ginger[/name_f], and [name_f]Daphne[/name_f] [name_f]Harriet[/name_f]
[name_f][/name_f][name_f]Nell[/name_f], [name_f]Birdie[/name_f], [name_f]Caro[/name_f], and [name_f]Nina[/name_f]
[name_f][/name_f][name_m]Arthur[/name_m] [name_m]Elliott[/name_m], [name_m]Benedict[/name_m] [name_m]Felix[/name_m], [name_m]Caspian[/name_m] [name_m]George[/name_m], and [name_m]Dominic[/name_m] [name_m]Harris[/name_m]
[name_f][/name_f][name_m]Ari[/name_m], [name_m]Ben[/name_m], [name_m]Ian[/name_m], and [name_m]Nic[/name_m]