4 letters
- fish9
- fist7
- fits7
- five11
- flic11
- fobs10
- foci10
- foes7
- forb10
- fore7
- fork11
- frae7
- free7
- fret7
- frig9
- frit7
- friz16
- froe7
- fubs11
- fuci11
- fuck15
- furs8
- fuse8
- fyce12
- fyke13
- geck13
- gibe9
- gibs9
- gies6
- heck13
- heir6
- herb9
- hers6
- hick13
- hies6
- hike10
- hire6
- ibex14
- ibis7
- iced8
- ices7
- ichs9
- icky13
- ides5
- ilks9
- inks9
- ired5
- ires4
- irid5
- iris4
- irks8
- isba7
- isle5
- iwis7
- jerk17
- jibe16
- jibs16
- kabs11
- kaes8
- kafs11
- kaif11
- kbar11
- keas8
- keck15
- keef11
- kefs11
- kegs10
- keir8
- kens9
- kepi11
- keps11
- kerb11
- kerf11
- kern9
- keys10
- khis10
- kibe11
- kick15
- kids9
- kief11
- kier8
- kifs11
- kike12
- kine9
- kins9
- kips11
- kirk12
- kirn9
- kirs8
- kiss8
- kist8
- kite8
- kits8
- kiwi11
- kobs11
- kois8
- kore8
- kors8
- kris8
- kues9
- leis5
- leks9
- libs8
- lice8
- lick12
- lief8
- lier5
- lies5
- life8
- like9
- lire5
- liri5
- merk11
- mibs10
- mice10
- mick14
- mike11
- mire7
- miri7
- mirk11
- mirs7
- mise7
- nebs8
- neck12
- neif8
- nibs8
- nice8
- nick12
- nisi5
- obes7
- obis7
- okes8
- orbs7
- orcs7
- ores4
- peck14
- pecs10
- peri7
- perk11
- pice10
- pick14
- pics10
- pier7
- pies7
- pike11
- piki11
- race7
- rack11
- rake8
- raki8
- rare4
- rase4
- rear4
- rebs7
- reck11
- recs7
- reds5
- reef7
- reek8
- rees4
- refs7
- reft7
- regs6
- reif7
- rein5
- reis4
- rems7
- reps7
- resh6
- rest4
- rets4
- revs8
- rias4
- ribs7
- rice7
- rich9
- rick11
- ride5
- rids5
- riel5
- rife7
- riff10
- rifs7
- rift7
- rigs6
- rile5
- rime7
- rims7
- rink9
- rins5
- ripe7
- rips7
- rise4
- risk8
- rite4
- rive8
- robe7
- robs7
- rock11
- rocs7