fangs afngs fnags nfags anfgs nafgs fagns afgns fgans gfans agfns gafns fngas nfgas fgnas gfnas ngfas gnfas angfs nagfs agnfs ganfs ngafs gnafs fansg afnsg fnasg nfasg anfsg nafsg fasng afsng fsang sfang asfng safng fnsag nfsag fsnag sfnag nsfag snfag ansfg nasfg asnfg sanfg nsafg snafg fagsn afgsn fgasn gfasn agfsn gafsn fasgn afsgn fsagn sfagn asfgn safgn fgsan gfsan fsgan sfgan gsfan sgfan agsfn gasfn asgfn sagfn gsafn sgafn fngsa nfgsa fgnsa gfnsa ngfsa gnfsa fnsga nfsga fsnga sfnga nsfga snfga fgsna gfsna fsgna sfgna gsfna sgfna ngsfa gnsfa nsgfa sngfa gsnfa sgnfa angsf nagsf agnsf gansf ngasf gnasf ansgf nasgf asngf sangf nsagf snagf agsnf gasnf asgnf sagnf gsanf sganf ngsaf gnsaf nsgaf sngaf gsnaf sgnaf
Note: these 'words' (valid or invalid) are all the permutations of the word fangs. These words are obtained by scrambling the letters in fangs.