prangs rpangs parngs aprngs rapngs arpngs prnags rpnags pnrags nprags rnpags nrpags panrgs apnrgs pnargs npargs anprgs naprgs ranpgs arnpgs rnapgs nrapgs anrpgs narpgs pragns rpagns pargns aprgns rapgns arpgns prgans rpgans pgrans gprans rgpans grpans pagrns apgrns pgarns gparns agprns gaprns ragpns argpns rgapns grapns agrpns garpns prngas rpngas pnrgas nprgas rnpgas nrpgas prgnas rpgnas pgrnas gprnas rgpnas grpnas pngras npgras pgnras gpnras ngpras gnpras rngpas nrgpas rgnpas grnpas ngrpas gnrpas pangrs apngrs pnagrs npagrs anpgrs napgrs pagnrs apgnrs pganrs gpanrs agpnrs gapnrs pngars npgars pgnars gpnars ngpars gnpars angprs nagprs agnprs ganprs ngaprs gnaprs rangps arngps rnagps nragps anrgps nargps ragnps argnps rganps granps agrnps garnps rngaps nrgaps rgnaps grnaps ngraps gnraps angrps nagrps agnrps ganrps ngarps gnarps pransg rpansg parnsg aprnsg rapnsg arpnsg prnasg rpnasg pnrasg nprasg rnpasg nrpasg panrsg apnrsg pnarsg nparsg anprsg naprsg ranpsg arnpsg rnapsg nrapsg anrpsg narpsg prasng rpasng parsng aprsng rapsng arpsng prsang rpsang psrang sprang rspang srpang pasrng apsrng psarng sparng asprng saprng raspng arspng rsapng srapng asrpng sarpng prnsag rpnsag pnrsag nprsag rnpsag nrpsag prsnag rpsnag psrnag sprnag rspnag srpnag pnsrag npsrag psnrag spnrag nsprag snprag rnspag nrspag rsnpag srnpag nsrpag snrpag pansrg apnsrg pnasrg npasrg anpsrg napsrg pasnrg apsnrg psanrg spanrg aspnrg sapnrg pnsarg npsarg psnarg spnarg nsparg snparg ansprg nasprg asnprg sanprg nsaprg snaprg ranspg arnspg rnaspg nraspg anrspg narspg rasnpg arsnpg rsanpg sranpg asrnpg sarnpg rnsapg nrsapg rsnapg srnapg nsrapg snrapg ansrpg nasrpg asnrpg sanrpg nsarpg snarpg pragsn rpagsn pargsn aprgsn rapgsn arpgsn prgasn rpgasn pgrasn gprasn rgpasn grpasn pagrsn apgrsn pgarsn gparsn agprsn gaprsn ragpsn argpsn rgapsn grapsn agrpsn garpsn prasgn rpasgn parsgn aprsgn rapsgn arpsgn prsagn rpsagn psragn spragn rspagn srpagn pasrgn apsrgn psargn spargn asprgn saprgn raspgn arspgn rsapgn srapgn asrpgn sarpgn prgsan rpgsan pgrsan gprsan rgpsan grpsan prsgan rpsgan psrgan sprgan rspgan srpgan pgsran gpsran psgran spgran gspran sgpran rgspan grspan rsgpan srgpan gsrpan sgrpan pagsrn apgsrn pgasrn gpasrn agpsrn gapsrn pasgrn apsgrn psagrn spagrn aspgrn sapgrn pgsarn gpsarn psgarn spgarn gsparn sgparn agsprn gasprn asgprn sagprn gsaprn sgaprn ragspn argspn rgaspn graspn agrspn garspn rasgpn arsgpn rsagpn sragpn asrgpn sargpn rgsapn grsapn rsgapn srgapn gsrapn sgrapn agsrpn gasrpn asgrpn sagrpn gsarpn sgarpn prngsa rpngsa pnrgsa nprgsa rnpgsa nrpgsa prgnsa rpgnsa pgrnsa gprnsa rgpnsa grpnsa pngrsa npgrsa pgnrsa gpnrsa ngprsa gnprsa rngpsa nrgpsa rgnpsa grnpsa ngrpsa gnrpsa prnsga rpnsga pnrsga nprsga rnpsga nrpsga prsnga rpsnga psrnga sprnga rspnga srpnga pnsrga npsrga psnrga spnrga nsprga snprga rnspga nrspga rsnpga srnpga nsrpga snrpga prgsna rpgsna pgrsna gprsna rgpsna grpsna prsgna rpsgna psrgna sprgna rspgna srpgna pgsrna gpsrna psgrna spgrna gsprna sgprna rgspna grspna rsgpna srgpna gsrpna sgrpna pngsra npgsra pgnsra gpnsra ngpsra gnpsra pnsgra npsgra psngra spngra nspgra snpgra pgsnra gpsnra psgnra spgnra gspnra sgpnra ngspra gnspra nsgpra sngpra gsnpra sgnpra rngspa nrgspa rgnspa grnspa ngrspa gnrspa rnsgpa nrsgpa rsngpa srngpa nsrgpa snrgpa rgsnpa grsnpa rsgnpa srgnpa gsrnpa sgrnpa ngsrpa gnsrpa nsgrpa sngrpa gsnrpa sgnrpa pangsr apngsr pnagsr npagsr anpgsr napgsr pagnsr apgnsr pgansr gpansr agpnsr gapnsr pngasr npgasr pgnasr gpnasr ngpasr gnpasr angpsr nagpsr agnpsr ganpsr ngapsr gnapsr pansgr apnsgr pnasgr npasgr anpsgr napsgr pasngr apsngr psangr spangr aspngr sapngr pnsagr npsagr psnagr spnagr nspagr snpagr anspgr naspgr asnpgr sanpgr nsapgr snapgr pagsnr apgsnr pgasnr gpasnr agpsnr gapsnr pasgnr apsgnr psagnr spagnr aspgnr sapgnr pgsanr gpsanr psganr spganr gspanr sgpanr agspnr gaspnr asgpnr sagpnr gsapnr sgapnr pngsar npgsar pgnsar gpnsar ngpsar gnpsar pnsgar npsgar psngar spngar nspgar snpgar pgsnar gpsnar psgnar spgnar gspnar sgpnar ngspar gnspar nsgpar sngpar gsnpar sgnpar angspr nagspr agnspr ganspr ngaspr gnaspr ansgpr nasgpr asngpr sangpr nsagpr snagpr agsnpr gasnpr asgnpr sagnpr gsanpr sganpr ngsapr gnsapr nsgapr sngapr gsnapr sgnapr rangsp arngsp rnagsp nragsp anrgsp nargsp ragnsp argnsp rgansp gransp agrnsp garnsp rngasp nrgasp rgnasp grnasp ngrasp gnrasp angrsp nagrsp agnrsp ganrsp ngarsp gnarsp ransgp arnsgp rnasgp nrasgp anrsgp narsgp rasngp arsngp rsangp srangp asrngp sarngp rnsagp nrsagp rsnagp srnagp nsragp snragp ansrgp nasrgp asnrgp sanrgp nsargp snargp ragsnp argsnp rgasnp grasnp agrsnp garsnp rasgnp arsgnp rsagnp sragnp asrgnp sargnp rgsanp grsanp rsganp srganp gsranp sgranp agsrnp gasrnp asgrnp sagrnp gsarnp sgarnp rngsap nrgsap rgnsap grnsap ngrsap gnrsap rnsgap nrsgap rsngap srngap nsrgap snrgap rgsnap grsnap rsgnap srgnap gsrnap sgrnap ngsrap gnsrap nsgrap sngrap gsnrap sgnrap angsrp nagsrp agnsrp gansrp ngasrp gnasrp ansgrp nasgrp asngrp sangrp nsagrp snagrp agsnrp gasnrp asgnrp sagnrp gsanrp sganrp ngsarp gnsarp nsgarp sngarp gsnarp sgnarp
Note: these 'words' (valid or invalid) are all the permutations of the word prangs. These words are obtained by scrambling the letters in prangs.