Maybe:
[name_f][/name_f][name_m]Tucker[/name_m] nn [name_m]Tuck[/name_m]
[name_f][/name_f][name_m]Trevor[/name_m] nn [name_m]Trev[/name_m]
[name_f][/name_f][name_m]Nathan[/name_m] nn [name_m]Nate[/name_m]
[name_f][/name_f][name_m]Vincent[/name_m] nn Vin/Vinny
[name_f][/name_f][name_m]Irving[/name_m] nn [name_m]Irv[/name_m]
[name_f][/name_f][name_m]Ansel[/name_m]
[name_f][/name_f]Hopefully these help! 