If you go with [name_u]Payton[/name_u], I think [name_f]Alyssa[/name_f], [name_f]Michaela[/name_f], [name_f]Amanda[/name_f] and [name_u]Morgan[/name_u] work best as her twin.
[name_u]Payton[/name_u] [name_f]Rose[/name_f] &:
[name_f]Alyssa[/name_f] [name_f]Violet[/name_f] (to connect the girls with flower middle names)
[name_f]Alyssa[/name_f] [name_u]Ruby[/name_u]
[name_f]Alyssa[/name_f] [name_u]Riley[/name_u]
[name_f]Alyssa[/name_f] [name_f]Kate[/name_f]
[name_f]Alyssa[/name_f] [name_f]Brielle[/name_f]
[name_f]Alyssa[/name_f] [name_f]Faye[/name_f]
[name_f]Michaela[/name_f] [name_f]Lily[/name_f] (same as above)
[name_f]Michaela[/name_f] [name_f]Hope[/name_f]
[name_f]Michaela[/name_f] [name_f]Ivy[/name_f]
[name_f]Michaela[/name_f] [name_f]Elise[/name_f]
[name_f]Michaela[/name_f] [name_u]Brooke[/name_u]
[name_f]Amanda[/name_f] [name_f]Jasmine[/name_f]
[name_f]Amanda[/name_f] [name_u]Sierra[/name_u]
[name_f]Amanda[/name_f] [name_f]Jade[/name_f]
[name_f]Amanda[/name_f] [name_f]Faith[/name_f]
[name_f]Amanda[/name_f] [name_f]Elise[/name_f]
[name_f]Amanda[/name_f] [name_f]Camille[/name_f]
[name_u]Morgan[/name_u] [name_f]Poppy[/name_f]
[name_u]Morgan[/name_u] [name_f]Sophia[/name_f]
[name_u]Morgan[/name_u] [name_f]Olivia[/name_f]
[name_u]Morgan[/name_u] [name_f]Isabel[/name_f]
[name_u]Morgan[/name_u] [name_f]Tess[/name_f]
Pairs that match well from your list:
[name_f]Alyssa[/name_f] and [name_f]Michaela[/name_f]
[name_f]Alyssa[/name_f] and [name_f]Sophie[/name_f]
[name_f]Alyssa[/name_f] and [name_f]Sophia[/name_f]
[name_f]Alyssa[/name_f] and [name_f]Amanda[/name_f]
[name_f]Alyssa[/name_f] and [name_f]Natalie[/name_f]
[name_f]Alyssa[/name_f] and [name_f]Anna[/name_f]
[name_f]Michaela[/name_f] and [name_f]Natalia[/name_f]
[name_f]Michaela[/name_f] and [name_f]Natalie[/name_f]
[name_f]Michaela[/name_f] and [name_f]Anna[/name_f]
[name_f]Michaela[/name_f] and [name_f]Sophia[/name_f]
[name_f]Annalise[/name_f] and [name_f]Natalia[/name_f]
[name_f]Annalise[/name_f] and [name_u]Harmony[/name_u]
[name_f]Annalise[/name_f] and [name_f]Nicolette[/name_f]
[name_f]Annalise[/name_f] and [name_f]Sarah[/name_f]
[name_u]Morgan[/name_u] and [name_f]Amanda[/name_f]
[name_u]Morgan[/name_u] and [name_f]Sophie[/name_f]
[name_u]Morgan[/name_u] and [name_f]Alyssa[/name_f]
[name_u]Morgan[/name_u] and [name_f]Anna[/name_f]
[name_f]Amanda[/name_f] and [name_f]Sophie[/name_f]
[name_f]Amanda[/name_f] and [name_f]Sophia[/name_f]
[name_f]Amanda[/name_f] and [name_f]Anna[/name_f]
[name_f]Amanda[/name_f] and [name_f]Natalie[/name_f]
[name_f]Anna[/name_f] and [name_f]Sarah[/name_f]
[name_f]Anna[/name_f] and [name_f]Sophie[/name_f]
[name_f]Anna[/name_f] and [name_f]Sophia[/name_f]
[name_f]Nicolette[/name_f] and [name_f]Sarah[/name_f]
[name_f]Nicolette[/name_f] and [name_u]Harmony[/name_u]
Middle names:
[name_u]Harmony[/name_u] [name_f]Elise[/name_f]/[name_f]Arabella[/name_f]/[name_f]Jane[/name_f]/[name_f]Isobel[/name_f]/[name_f]Claire[/name_f]/[name_f]Eleanor[/name_f]/[name_f]Grace[/name_f]/[name_f]Tess[/name_f]
[name_f]Alyssa[/name_f] [name_u]Brooklyn[/name_u]/[name_u]Brooke[/name_u]/[name_f]Jasmine[/name_f]/
[name_f]Isabella[/name_f]/[name_u]Harper[/name_u]/[name_f]Raine[/name_f]/[name_f]Maeve[/name_f]/
[name_f]Kathleen[/name_f]
[name_f]Michaela[/name_f] [name_f]Joy[/name_f]/[name_f]Isabel[/name_f]/[name_f]Eve[/name_f]/[name_u]Skye[/name_u]/[name_f]Violet[/name_f]/[name_f]Ivy[/name_f]/[name_f]Camille[/name_f]/[name_f]Lillian[/name_f]/[name_u]Ruby[/name_u]
[name_f]Annalise[/name_f] [name_f]Eleanor[/name_f]/[name_f]Claire[/name_f]/[name_f]Belle[/name_f]/[name_f]Camille[/name_f]/
[name_u]Winter[/name_u]/[name_f]Pearl[/name_f]/[name_u]Brooke[/name_u]/[name_f]Eva[/name_f]
[name_u]Morgan[/name_u] [name_f]Paige[/name_f]/[name_f]Isabella[/name_f]/[name_f]Vanessa[/name_f]/[name_f]Lacey[/name_f]/
[name_f]Hope[/name_f]/[name_f]Juliet[/name_f]/[name_f]Eleonora[/name_f]/[name_f]Grace[/name_f]
[name_f]Amanda[/name_f] [name_f]Maeve[/name_f]/[name_f]Grace[/name_f]/[name_u]Harper[/name_u]/[name_f]Faye[/name_f]/
[name_f]Lillian[/name_f]/[name_f]Willow[/name_f]/[name_f]Brielle[/name_f]
[name_u]Payton[/name_u] (I like your idea of [name_f]Rose[/name_f] :))
[name_f]Sophie[/name_f] [name_f]Isabelle[/name_f]/[name_f]Renee[/name_f]/[name_f]Annabel[/name_f]/[name_f]Giselle[/name_f]/[name_f]Michelle[/name_f]/[name_f]Francesca[/name_f]
[name_f]Sophia[/name_f] [name_f]Tess[/name_f]/[name_f]Violet[/name_f]/[name_f]Eleanor[/name_f]/[name_f]Audrey[/name_f]/
[name_f]April[/name_f]/[name_f]Nicole[/name_f]/[name_f]Renee[/name_f]/[name_f]Jasmine[/name_f]
[name_f]Anna[/name_f] [name_f]Emily[/name_f]/[name_f]Charlotte[/name_f]/[name_f]Joy[/name_f]/[name_u]Ruby[/name_u]/[name_f]Violet[/name_f]/[name_f]Juliet[/name_f]/[name_f]Isabel[/name_f]/[name_f]Eleanor[/name_f]/[name_f]Lauren[/name_f]
[name_f]Sarah[/name_f] [name_f]Mae[/name_f]/[name_f]Louise[/name_f]/[name_f]Michelle[/name_f]/[name_f]Christine[/name_f]/
[name_f]Camille[/name_f]/[name_f]Noelle[/name_f]
[name_f]Natalie[/name_f] [name_f]Maria[/name_f]/[name_f]Amber[/name_f]/[name_f]Claire[/name_f]/[name_f]Genevieve[/name_f]/[name_f]Mae[/name_f]/[name_f]Grace[/name_f]
[name_f]Natalia[/name_f] [name_f]Joy[/name_f]/[name_u]Wren[/name_u]/[name_f]Elise[/name_f]/[name_f]Lucia[/name_f]/[name_f]Eleanor[/name_f]/
[name_f]Hazel[/name_f]/[name_f]Margot[/name_f]
[name_f]Nicolette[/name_f] [name_f]Mae[/name_f]/[name_f]Joy[/name_f]/[name_f]Ivy[/name_f]/[name_u]Wren[/name_u]/[name_u]Blair[/name_u]/[name_f]Adah[/name_f]/
[name_f]Aurora[/name_f]/[name_f]Autumn[/name_f]
My favourite sets:
[name_u]Payton[/name_u] [name_f]Rose[/name_f] and [name_f]Alyssa[/name_f] [name_u]Ruby[/name_u]
[name_u]Payton[/name_u] [name_f]Rose[/name_f] and [name_f]Amanda[/name_f] [name_f]Elise[/name_f]
[name_u]Payton[/name_u] [name_f]Rose[/name_f] and [name_u]Morgan[/name_u] [name_f]Isabel[/name_f]
[name_f]Alyssa[/name_f] [name_f]Jasmine[/name_f] and [name_f]Michaela[/name_f] [name_f]Joy[/name_f]
[name_f]Michaela[/name_f] [name_u]Ruby[/name_u] and [name_f]Natalia[/name_f] [name_f]Elise[/name_f]
[name_f]Sophia[/name_f] [name_f]Violet[/name_f] and [name_f]Alyssa[/name_f] [name_f]Jasmine[/name_f]