user+*type+by name
flamefork
Florent
Florian
FlorianDold
Forrest O.
Francis Irving
Francisco Martins
Franck Debane
Franco Pawlisz
frand
Frank Diekman
Frank Schwarz
Franklin Pierce
Fred Boateng
fredhampton
FridemarPache
fuchsto
G. Cao
Gail Taylor
ganjo