#3f

What does "3f" mean?
30andFabulous, 30kFollowers, 3amFlow, 3rdFlatiron, 35mmFilm, 370z_fanpage, 39feelinFine, 3rdFlowers, 39AndFine, 3MonthsFor3Years, 3SFunFriday, 38TaskForce, 3DacrylicFlowers, 37NorthFullerton, 3TomatoesFor300Naira, 3xF, 3xFfitnessstudio, 30sFords, 3atawla_foo2, 3NorthFamily, 35mm_film, 360LighthouseFlip, 30añosFlans, 30andFab, 365GrindFitness, 30dayFuji, 30mmF28, 3MinuteFreestyle, 3EnglishFestival, 30mmF14DCHSM

3f-m 35381 3f-s 42223 3f-3 12675 3f-t 9642 3f-e 6383 3f-or3 76020 3f-oil 45849 3f-loyds 42413 3f-oil id 74282 3f-or2 11119 3f-oilid 16109 3f-ree 5818 3f-lip 6865 3f-or1 5485 3f-u3l 3365 3ｆ 99 3f-riends 5817 3f-onteinen 5249 3f-amilias 2870 3f-orrm100 2883 3f-ound 2633 3f-mawards 2183 3f-mf 31 3f-oilyk 2869 3f-or100k 2960 3f-est 1034 3f-or100 1692 3f-loydsbrewing 3830 3f-or3like 123 エスカルゴビル3f- 199 3f-ingersfor911 267 3f-oilstore 840 3f-amilyga 39 3f-man 473 3f-ine 384 3f-ever 465 協栄ビル3f- 316 3f-riendsmaychallenge 314 3f-eb15 298