[name_f]Ophelia[/name_f] and [name_f]Persephone[/name_f]
[name_f][/name_f][name_m]Orlando[/name_m] and [name_m]Peregrine[/name_m]
(also, [name_f]October[/name_f] for any gender)
[name_f][/name_f]Bonus: [name_f]Esmeray[/name_f]
[name_m]Ozias[/name_m] & [name_f]Olive[/name_f]
[name_f][/name_f][name_f]Primrose[/name_f] & [name_m]Paul[/name_m]
[name_m]Orlando[/name_m] & [name_m]Peter[/name_m]
[name_f][/name_f][name_f]Odette[/name_f] & [name_f]Phoebe[/name_f]
[name_f]My[/name_f] answers:
[name_f][/name_f][name_f]Ottilie[/name_f] & [name_f]Presley[/name_f]
[name_f][/name_f][name_m]Onyx[/name_m] & [name_m]Paxton[/name_m] (also Phoenix)
Bonus: not sure if [name_m]Sweden[/name_m] counts, but [name_m]Bjorn[/name_m]. I also like Russian names like [name_m]Yves[/name_m] & Yevgany