5 letters
- birks12
- brisk12
- dirks10
- fairs8
- fakir12
- fiars8
- finks13
- fires8
- firms11
- firns9
- first8
- forks12
- fries8
- frigs10
- frise8
- frisk12
- frits8
- kafir12
- kaifs12
- kefir12
- keirs9
- kerfs12
- kiefs12
- kiers9
- kirks13
- kirns10
- mirks12
- rakis9
- reifs8
- ricks12
- riffs11
- rifts8
- rinks10
- risks9
- risky11
- serif8
- shirk11
- siker9
- skier9
- skiff15
- skirl10
- skirr9
- skirt9
- smirk12
- stirk9
4 letters
- airs4
- arfs7
- arks8
- birk11
- bisk11
- bris7
- cris7
- dirk9
- disk9
- fair7
- fiar7
- fibs10
- fids8
- figs9
- fils8
- fink12
- fins8
- fire7
- firm10
- firn8
- firs7
- fisc10
- fish9
- fist7
- fits7
- fork11
- frig9
- frit7
- friz16
- furs8
- ilks9
- inks9
- ires4
- iris4
- irks8
- kafs11
- kaif11
- kefs11
- keir8
- kerf11
- khis10
- kids9
- kief11
- kier8
- kifs11
- kins9
- kips11
- kirk12
- kirn9
- kirs8
- kiss8
- kist8
- kits8
- kois8
- kors8
- kris8
- mirk11
- mirs7
- raki8
- refs7
- reif7
- reis4
- rias4
- ribs7
- rick11
- rids5
- rife7
- riff10
- rifs7
- rift7
- rigs6
- rims7
- rink9
- rins5
- rips7
- rise4
- risk8
- rusk9
- saki8
- sari4
- sark8
- seif7
- serf7
- shri6
- sick11
- sift7
- sike8
- silk9
- sink9
- sire4
- sirs4
- skid9
- skim11
- skin9
- skip11
- skis8
- skit8
- sori4
- spik11
- sris4
- stir4
- surf8
3 letters
- air3
- ais3
- arf6
- ark7
- ars3
- ask7
- bis6
- cis6
- dis4
- efs6
- ers3
- far6
- fas6
- fer6
- fib9
- fid7
- fie6
- fig8
- fil7
- fin7
- fir6
- fit6
- fix13
- fiz15
- for6
- fro6
- fry8
- fur7
- his5
- ick10
- ids4
- iff9
- ifs6
- ilk8
- ink8
- ins4
- ire3
- irk7
- ism6
- its3
- kaf10
- kas7
- kef10
- khi9
- kid8
- kif10
- kin8
- kip10
- kir7
- kit7
- koi7
- kor7
- kos7
- lis4
- mir6
- mis6
- ors3
- pis6
- psi6
- ras3
- ref6
- rei3
- res3
- ria3
- rib6
- rid4
- rif6
- rig5
- rim6
- rin4
- rip6
- sei3
- ser3
- sib6
- sic6
- sim6
- sin4
- sip6
- sir3
- sis3
- sit3
- six10
- ska7
- ski7
- sky9
- sri3
- tis3
- tsk7
- vis7
- wis6
- xis10