Change one letter (5 names)

[name_m]Allan[/name_m] → [name_m]Alban[/name_m]
[name_f]Rayna[/name_f] → [name_m]Raynar[/name_m]
[name_f]Rina[/name_f] → [name_f]Rinna[/name_f]
[name_f]Elena[/name_f] → [name_f]Eliena[/name_f]
[name_f]Katharine[/name_f] → [name_f]Catharine[/name_f]