The first poster post a first name with a middle name. Then the second poster uses the middle name as a first name and chooses a new middle name for that name. Next poster uses the new middle as a first and chooses a middle for it. And so on!
Example:
Poster 1: [name_f]Linnea[/name_f] [name_f]Marit[/name_f]
Poster 2: [name_f]Marit[/name_f] [name_f]Elena[/name_f]
Poster 3: [name_f]Elena[/name_f] [name_f]Sofie[/name_f]
I’ll start with [name_f]Elena[/name_f] [name_f]Sofie[/name_f]
Sofie [name_f]Magnolia[/name_f]
Magnolia [name_u]June[/name_u]
Phoebe [name_f]Elena[/name_f]
Elena [name_f]Bellatrix[/name_f]
Bellatrix [name_f]Rosalind[/name_f]
Rosalind [name_f]Faye[/name_f]
Faye [name_f]Emilia[/name_f]
Emilia [name_f]Calliope[/name_f]
Calliope [name_f]Isabella[/name_f]
Isabella [name_f]Paige[/name_f]
Paige [name_f]Emmeline[/name_f]
Maeve [name_f]Charlotte[/name_f]
Charlotte [name_f]Elizabeth[/name_f]
Elizabeth [name_f]Aya[/name_f]
Aya [name_f]Bryony[/name_f]
Bryony [name_f]Michelle[/name_f]
Michelle [name_f]Anastasia[/name_f]
Anastasia [name_f]Rose[/name_f]
Rose [name_f]Abigail[/name_f]