paring apring praing rpaing arping raping pairng apirng piarng iparng aiprng iaprng priang rpiang pirang iprang ripang irpang aripng raipng airpng iarpng riapng irapng parnig aprnig pranig rpanig arpnig rapnig panrig apnrig pnarig nparig anprig naprig prnaig rpnaig pnraig npraig rnpaig nrpaig arnpig ranpig anrpig narpig rnapig nrapig painrg apinrg pianrg ipanrg aipnrg iapnrg panirg apnirg pnairg npairg anpirg napirg pinarg ipnarg pniarg npiarg inparg niparg ainprg ianprg aniprg naiprg inaprg niaprg prinag rpinag pirnag iprnag ripnag irpnag prniag rpniag pnriag npriag rnpiag nrpiag pinrag ipnrag pnirag npirag inprag niprag rinpag irnpag rnipag nripag inrpag nirpag arinpg rainpg airnpg iarnpg rianpg iranpg arnipg ranipg anripg naripg rnaipg nraipg ainrpg ianrpg anirpg nairpg inarpg niarpg rinapg irnapg rniapg nriapg inrapg nirapg parign aprign praign rpaign arpign rapign pairgn apirgn piargn ipargn aiprgn iaprgn priagn rpiagn piragn ipragn ripagn irpagn aripgn raipgn airpgn iarpgn riapgn irapgn pargin aprgin pragin rpagin arpgin rapgin pagrin apgrin pgarin gparin agprin gaprin prgain rpgain pgrain gprain rgpain grpain argpin ragpin agrpin garpin rgapin grapin paigrn apigrn piagrn ipagrn aipgrn iapgrn pagirn apgirn pgairn gpairn agpirn gapirn pigarn ipgarn pgiarn gpiarn igparn giparn aigprn iagprn agiprn gaiprn igaprn giaprn prigan rpigan pirgan iprgan ripgan irpgan prgian rpgian pgrian gprian rgpian grpian pigran ipgran pgiran gpiran igpran gipran rigpan irgpan rgipan gripan igrpan girpan arigpn raigpn airgpn iargpn riagpn iragpn argipn ragipn agripn garipn rgaipn graipn aigrpn iagrpn agirpn gairpn igarpn giarpn rigapn irgapn rgiapn griapn igrapn girapn parngi aprngi prangi rpangi arpngi rapngi panrgi apnrgi pnargi npargi anprgi naprgi prnagi rpnagi pnragi npragi rnpagi nrpagi arnpgi ranpgi anrpgi narpgi rnapgi nrapgi pargni aprgni pragni rpagni arpgni rapgni pagrni apgrni pgarni gparni agprni gaprni prgani rpgani pgrani gprani rgpani grpani argpni ragpni agrpni garpni rgapni grapni pangri apngri pnagri npagri anpgri napgri pagnri apgnri pganri gpanri agpnri gapnri pngari npgari pgnari gpnari ngpari gnpari angpri nagpri agnpri ganpri ngapri gnapri prngai rpngai pnrgai nprgai rnpgai nrpgai prgnai rpgnai pgrnai gprnai rgpnai grpnai pngrai npgrai pgnrai gpnrai ngprai gnprai rngpai nrgpai rgnpai grnpai ngrpai gnrpai arngpi rangpi anrgpi nargpi rnagpi nragpi argnpi ragnpi agrnpi garnpi rganpi granpi angrpi nagrpi agnrpi ganrpi ngarpi gnarpi rngapi nrgapi rgnapi grnapi ngrapi gnrapi paingr apingr piangr ipangr aipngr iapngr panigr apnigr pnaigr npaigr anpigr napigr pinagr ipnagr pniagr npiagr inpagr nipagr ainpgr ianpgr anipgr naipgr inapgr niapgr paignr apignr piagnr ipagnr aipgnr iapgnr paginr apginr pgainr gpainr agpinr gapinr piganr ipganr pgianr gpianr igpanr gipanr aigpnr iagpnr agipnr gaipnr igapnr giapnr pangir apngir pnagir npagir anpgir napgir pagnir apgnir pganir gpanir agpnir gapnir pngair npgair pgnair gpnair ngpair gnpair angpir nagpir agnpir ganpir ngapir gnapir pingar ipngar pnigar npigar inpgar nipgar pignar ipgnar pginar gpinar igpnar gipnar pngiar npgiar pgniar gpniar ngpiar gnpiar ingpar nigpar ignpar ginpar ngipar gnipar aingpr iangpr anigpr naigpr inagpr niagpr aignpr iagnpr aginpr gainpr iganpr gianpr angipr nagipr agnipr ganipr ngaipr gnaipr ingapr nigapr ignapr ginapr ngiapr gniapr pringa rpinga pirnga iprnga ripnga irpnga prniga rpniga pnriga npriga rnpiga nrpiga pinrga ipnrga pnirga npirga inprga niprga rinpga irnpga rnipga nripga inrpga nirpga prigna rpigna pirgna iprgna ripgna irpgna prgina rpgina pgrina gprina rgpina grpina pigrna ipgrna pgirna gpirna igprna giprna rigpna irgpna rgipna gripna igrpna girpna prngia rpngia pnrgia nprgia rnpgia nrpgia prgnia rpgnia pgrnia gprnia rgpnia grpnia pngria npgria pgnria gpnria ngpria gnpria rngpia nrgpia rgnpia grnpia ngrpia gnrpia pingra ipngra pnigra npigra inpgra nipgra pignra ipgnra pginra gpinra igpnra gipnra pngira npgira pgnira gpnira ngpira gnpira ingpra nigpra ignpra ginpra ngipra gnipra ringpa irngpa rnigpa nrigpa inrgpa nirgpa rignpa irgnpa rginpa grinpa igrnpa girnpa rngipa nrgipa rgnipa grnipa ngripa gnripa ingrpa nigrpa ignrpa ginrpa ngirpa gnirpa aringp raingp airngp iarngp riangp irangp arnigp ranigp anrigp narigp rnaigp nraigp ainrgp ianrgp anirgp nairgp inargp niargp rinagp irnagp rniagp nriagp inragp niragp arignp raignp airgnp iargnp riagnp iragnp arginp raginp agrinp garinp rgainp grainp aigrnp iagrnp agirnp gairnp igarnp giarnp riganp irganp rgianp grianp igranp giranp arngip rangip anrgip nargip rnagip nragip argnip ragnip agrnip garnip rganip granip angrip nagrip agnrip ganrip ngarip gnarip rngaip nrgaip rgnaip grnaip ngraip gnraip aingrp iangrp anigrp naigrp inagrp niagrp aignrp iagnrp aginrp gainrp iganrp gianrp angirp nagirp agnirp ganirp ngairp gnairp ingarp nigarp ignarp ginarp ngiarp gniarp ringap irngap rnigap nrigap inrgap nirgap rignap irgnap rginap grinap igrnap girnap rngiap nrgiap rgniap grniap ngriap gnriap ingrap nigrap ignrap ginrap ngirap gnirap
Note: these 'words' (valid or invalid) are all the permutations of the word paring. These words are obtained by scrambling the letters in paring.