fusing ufsing fsuing sfuing usfing sufing fuisng ufisng fiusng ifusng uifsng iufsng fsiung sfiung fisung ifsung sifung isfung usifng suifng uisfng iusfng siufng isufng fusnig ufsnig fsunig sfunig usfnig sufnig funsig ufnsig fnusig nfusig unfsig nufsig fsnuig sfnuig fnsuig nfsuig snfuig nsfuig usnfig sunfig unsfig nusfig snufig nsufig fuinsg ufinsg fiunsg ifunsg uifnsg iufnsg funisg ufnisg fnuisg nfuisg unfisg nufisg finusg ifnusg fniusg nfiusg infusg nifusg uinfsg iunfsg unifsg nuifsg inufsg niufsg fsinug sfinug fisnug ifsnug sifnug isfnug fsniug sfniug fnsiug nfsiug snfiug nsfiug finsug ifnsug fnisug nfisug infsug nifsug sinfug isnfug snifug nsifug insfug nisfug usinfg suinfg uisnfg iusnfg siunfg isunfg usnifg sunifg unsifg nusifg snuifg nsuifg uinsfg iunsfg unisfg nuisfg inusfg niusfg sinufg isnufg sniufg nsiufg insufg nisufg fusign ufsign fsuign sfuign usfign sufign fuisgn ufisgn fiusgn ifusgn uifsgn iufsgn fsiugn sfiugn fisugn ifsugn sifugn isfugn usifgn suifgn uisfgn iusfgn siufgn isufgn fusgin ufsgin fsugin sfugin usfgin sufgin fugsin ufgsin fgusin gfusin ugfsin gufsin fsguin sfguin fgsuin gfsuin sgfuin gsfuin usgfin sugfin ugsfin gusfin sgufin gsufin fuigsn ufigsn fiugsn ifugsn uifgsn iufgsn fugisn ufgisn fguisn gfuisn ugfisn gufisn figusn ifgusn fgiusn gfiusn igfusn gifusn uigfsn iugfsn ugifsn guifsn igufsn giufsn fsigun sfigun fisgun ifsgun sifgun isfgun fsgiun sfgiun fgsiun gfsiun sgfiun gsfiun figsun ifgsun fgisun gfisun igfsun gifsun sigfun isgfun sgifun gsifun igsfun gisfun usigfn suigfn uisgfn iusgfn siugfn isugfn usgifn sugifn ugsifn gusifn sguifn gsuifn uigsfn iugsfn ugisfn guisfn igusfn giusfn sigufn isgufn sgiufn gsiufn igsufn gisufn fusngi ufsngi fsungi sfungi usfngi sufngi funsgi ufnsgi fnusgi nfusgi unfsgi nufsgi fsnugi sfnugi fnsugi nfsugi snfugi nsfugi usnfgi sunfgi unsfgi nusfgi snufgi nsufgi fusgni ufsgni fsugni sfugni usfgni sufgni fugsni ufgsni fgusni gfusni ugfsni gufsni fsguni sfguni fgsuni gfsuni sgfuni gsfuni usgfni sugfni ugsfni gusfni sgufni gsufni fungsi ufngsi fnugsi nfugsi unfgsi nufgsi fugnsi ufgnsi fgunsi gfunsi ugfnsi gufnsi fngusi nfgusi fgnusi gfnusi ngfusi gnfusi ungfsi nugfsi ugnfsi gunfsi ngufsi gnufsi fsngui sfngui fnsgui nfsgui snfgui nsfgui fsgnui sfgnui fgsnui gfsnui sgfnui gsfnui fngsui nfgsui fgnsui gfnsui ngfsui gnfsui sngfui nsgfui sgnfui gsnfui ngsfui gnsfui usngfi sungfi unsgfi nusgfi snugfi nsugfi usgnfi sugnfi ugsnfi gusnfi sgunfi gsunfi ungsfi nugsfi ugnsfi gunsfi ngusfi gnusfi sngufi nsgufi sgnufi gsnufi ngsufi gnsufi fuings ufings fiungs ifungs uifngs iufngs funigs ufnigs fnuigs nfuigs unfigs nufigs finugs ifnugs fniugs nfiugs infugs nifugs uinfgs iunfgs unifgs nuifgs inufgs niufgs fuigns ufigns fiugns ifugns uifgns iufgns fugins ufgins fguins gfuins ugfins gufins figuns ifguns fgiuns gfiuns igfuns gifuns uigfns iugfns ugifns guifns igufns giufns fungis ufngis fnugis nfugis unfgis nufgis fugnis ufgnis fgunis gfunis ugfnis gufnis fnguis nfguis fgnuis gfnuis ngfuis gnfuis ungfis nugfis ugnfis gunfis ngufis gnufis fingus ifngus fnigus nfigus infgus nifgus fignus ifgnus fginus gfinus igfnus gifnus fngius nfgius fgnius gfnius ngfius gnfius ingfus nigfus ignfus ginfus ngifus gnifus uingfs iungfs unigfs nuigfs inugfs niugfs uignfs iugnfs uginfs guinfs igunfs giunfs ungifs nugifs ugnifs gunifs nguifs gnuifs ingufs nigufs ignufs ginufs ngiufs gniufs fsingu sfingu fisngu ifsngu sifngu isfngu fsnigu sfnigu fnsigu nfsigu snfigu nsfigu finsgu ifnsgu fnisgu nfisgu infsgu nifsgu sinfgu isnfgu snifgu nsifgu insfgu nisfgu fsignu sfignu fisgnu ifsgnu sifgnu isfgnu fsginu sfginu fgsinu gfsinu sgfinu gsfinu figsnu ifgsnu fgisnu gfisnu igfsnu gifsnu sigfnu isgfnu sgifnu gsifnu igsfnu gisfnu fsngiu sfngiu fnsgiu nfsgiu snfgiu nsfgiu fsgniu sfgniu fgsniu gfsniu sgfniu gsfniu fngsiu nfgsiu fgnsiu gfnsiu ngfsiu gnfsiu sngfiu nsgfiu sgnfiu gsnfiu ngsfiu gnsfiu fingsu ifngsu fnigsu nfigsu infgsu nifgsu fignsu ifgnsu fginsu gfinsu igfnsu gifnsu fngisu nfgisu fgnisu gfnisu ngfisu gnfisu ingfsu nigfsu ignfsu ginfsu ngifsu gnifsu singfu isngfu snigfu nsigfu insgfu nisgfu signfu isgnfu sginfu gsinfu igsnfu gisnfu sngifu nsgifu sgnifu gsnifu ngsifu gnsifu ingsfu nigsfu ignsfu ginsfu ngisfu gnisfu usingf suingf uisngf iusngf siungf isungf usnigf sunigf unsigf nusigf snuigf nsuigf uinsgf iunsgf unisgf nuisgf inusgf niusgf sinugf isnugf sniugf nsiugf insugf nisugf usignf suignf uisgnf iusgnf siugnf isugnf usginf suginf ugsinf gusinf sguinf gsuinf uigsnf iugsnf ugisnf guisnf igusnf giusnf sigunf isgunf sgiunf gsiunf igsunf gisunf usngif sungif unsgif nusgif snugif nsugif usgnif sugnif ugsnif gusnif sgunif gsunif ungsif nugsif ugnsif gunsif ngusif gnusif snguif nsguif sgnuif gsnuif ngsuif gnsuif uingsf iungsf unigsf nuigsf inugsf niugsf uignsf iugnsf uginsf guinsf igunsf giunsf ungisf nugisf ugnisf gunisf nguisf gnuisf ingusf nigusf ignusf ginusf ngiusf gniusf singuf isnguf sniguf nsiguf insguf nisguf signuf isgnuf sginuf gsinuf igsnuf gisnuf sngiuf nsgiuf sgniuf gsniuf ngsiuf gnsiuf ingsuf nigsuf ignsuf ginsuf ngisuf gnisuf
Note: these 'words' (valid or invalid) are all the permutations of the word fusing. These words are obtained by scrambling the letters in fusing.