That’s interesting!
I’m thinking…
[name_m]Del[/name_m] → [name_m]Adel[/name_m] → [name_f]Adeline[/name_f] → [name_f]Adelina[/name_f]
[name_m]Han[/name_m] → [name_f]Hanne[/name_f] → [name_f]Hannelore[/name_f] → Hannelora
[name_m]Oz[/name_m] → [name_m]Ozi[/name_m] - [name_m]Ozias[/name_m] → [name_m]Ozazias[/name_m]
[name_m]Len[/name_m] → [name_m]Leon[/name_m] → [name_m]Leonid[/name_m] → [name_m]Leonidas[/name_m]
[name_f]Ro[/name_f] → [name_f]Rosa[/name_f] → [name_f]Rosalie[/name_f] → [name_f]Rosalia[/name_f]