How about:
[name_f][/name_f][name_f]Cadence[/name_f]
[name_f][/name_f][name_f]Candace[/name_f]
[name_f][/name_f][name_f]Candida[/name_f]
[name_f][/name_f][name_f]Candy[/name_f]
[name_f][/name_f][name_f]Cady[/name_f] / [name_f]Cadie[/name_f] (like [name_f]Katie[/name_f] with a D)
[name_f][/name_f][name_f]Candia[/name_f]
[name_f][/name_f][name_f]Candra[/name_f]
[name_f][/name_f]Cee / CeCe
[name_f][/name_f][name_m]Danny[/name_m] / [name_f]Dani[/name_f]
[name_f]Hope[/name_f] this helps!