plings lpings pilngs iplngs lipngs ilpngs plnigs lpnigs pnligs npligs lnpigs nlpigs pinlgs ipnlgs pnilgs npilgs inplgs niplgs linpgs ilnpgs lnipgs nlipgs inlpgs nilpgs pligns lpigns pilgns iplgns lipgns ilpgns plgins lpgins pglins gplins lgpins glpins piglns ipglns pgilns gpilns igplns giplns ligpns ilgpns lgipns glipns iglpns gilpns plngis lpngis pnlgis nplgis lnpgis nlpgis plgnis lpgnis pglnis gplnis lgpnis glpnis pnglis npglis pgnlis gpnlis ngplis gnplis lngpis nlgpis lgnpis glnpis nglpis gnlpis pingls ipngls pnigls npigls inpgls nipgls pignls ipgnls pginls gpinls igpnls gipnls pngils npgils pgnils gpnils ngpils gnpils ingpls nigpls ignpls ginpls ngipls gnipls lingps ilngps lnigps nligps inlgps nilgps lignps ilgnps lginps glinps iglnps gilnps lngips nlgips lgnips glnips nglips gnlips inglps niglps ignlps ginlps ngilps gnilps plinsg lpinsg pilnsg iplnsg lipnsg ilpnsg plnisg lpnisg pnlisg nplisg lnpisg nlpisg pinlsg ipnlsg pnilsg npilsg inplsg niplsg linpsg ilnpsg lnipsg nlipsg inlpsg nilpsg plisng lpisng pilsng iplsng lipsng ilpsng plsing lpsing psling spling lsping slping pislng ipslng psilng spilng isplng siplng lispng ilspng lsipng slipng islpng silpng plnsig lpnsig pnlsig nplsig lnpsig nlpsig plsnig lpsnig pslnig splnig lspnig slpnig pnslig npslig psnlig spnlig nsplig snplig lnspig nlspig lsnpig slnpig nslpig snlpig pinslg ipnslg pnislg npislg inpslg nipslg pisnlg ipsnlg psinlg spinlg ispnlg sipnlg pnsilg npsilg psnilg spnilg nspilg snpilg insplg nisplg isnplg sinplg nsiplg sniplg linspg ilnspg lnispg nlispg inlspg nilspg lisnpg ilsnpg lsinpg slinpg islnpg silnpg lnsipg nlsipg lsnipg slnipg nslipg snlipg inslpg nislpg isnlpg sinlpg nsilpg snilpg pligsn lpigsn pilgsn iplgsn lipgsn ilpgsn plgisn lpgisn pglisn gplisn lgpisn glpisn piglsn ipglsn pgilsn gpilsn igplsn giplsn ligpsn ilgpsn lgipsn glipsn iglpsn gilpsn plisgn lpisgn pilsgn iplsgn lipsgn ilpsgn plsign lpsign pslign splign lspign slpign pislgn ipslgn psilgn spilgn isplgn siplgn lispgn ilspgn lsipgn slipgn islpgn silpgn plgsin lpgsin pglsin gplsin lgpsin glpsin plsgin lpsgin pslgin splgin lspgin slpgin pgslin gpslin psglin spglin gsplin sgplin lgspin glspin lsgpin slgpin gslpin sglpin pigsln ipgsln pgisln gpisln igpsln gipsln pisgln ipsgln psigln spigln ispgln sipgln pgsiln gpsiln psgiln spgiln gspiln sgpiln igspln gispln isgpln sigpln gsipln sgipln ligspn ilgspn lgispn glispn iglspn gilspn lisgpn ilsgpn lsigpn sligpn islgpn silgpn lgsipn glsipn lsgipn slgipn gslipn sglipn igslpn gislpn isglpn siglpn gsilpn sgilpn plngsi lpngsi pnlgsi nplgsi lnpgsi nlpgsi plgnsi lpgnsi pglnsi gplnsi lgpnsi glpnsi pnglsi npglsi pgnlsi gpnlsi ngplsi gnplsi lngpsi nlgpsi lgnpsi glnpsi nglpsi gnlpsi plnsgi lpnsgi pnlsgi nplsgi lnpsgi nlpsgi plsngi lpsngi pslngi splngi lspngi slpngi pnslgi npslgi psnlgi spnlgi nsplgi snplgi lnspgi nlspgi lsnpgi slnpgi nslpgi snlpgi plgsni lpgsni pglsni gplsni lgpsni glpsni plsgni lpsgni pslgni splgni lspgni slpgni pgslni gpslni psglni spglni gsplni sgplni lgspni glspni lsgpni slgpni gslpni sglpni pngsli npgsli pgnsli gpnsli ngpsli gnpsli pnsgli npsgli psngli spngli nspgli snpgli pgsnli gpsnli psgnli spgnli gspnli sgpnli ngspli gnspli nsgpli sngpli gsnpli sgnpli lngspi nlgspi lgnspi glnspi nglspi gnlspi lnsgpi nlsgpi lsngpi slngpi nslgpi snlgpi lgsnpi glsnpi lsgnpi slgnpi gslnpi sglnpi ngslpi gnslpi nsglpi snglpi gsnlpi sgnlpi pingsl ipngsl pnigsl npigsl inpgsl nipgsl pignsl ipgnsl pginsl gpinsl igpnsl gipnsl pngisl npgisl pgnisl gpnisl ngpisl gnpisl ingpsl nigpsl ignpsl ginpsl ngipsl gnipsl pinsgl ipnsgl pnisgl npisgl inpsgl nipsgl pisngl ipsngl psingl spingl ispngl sipngl pnsigl npsigl psnigl spnigl nspigl snpigl inspgl nispgl isnpgl sinpgl nsipgl snipgl pigsnl ipgsnl pgisnl gpisnl igpsnl gipsnl pisgnl ipsgnl psignl spignl ispgnl sipgnl pgsinl gpsinl psginl spginl gspinl sgpinl igspnl gispnl isgpnl sigpnl gsipnl sgipnl pngsil npgsil pgnsil gpnsil ngpsil gnpsil pnsgil npsgil psngil spngil nspgil snpgil pgsnil gpsnil psgnil spgnil gspnil sgpnil ngspil gnspil nsgpil sngpil gsnpil sgnpil ingspl nigspl ignspl ginspl ngispl gnispl insgpl nisgpl isngpl singpl nsigpl snigpl igsnpl gisnpl isgnpl signpl gsinpl sginpl ngsipl gnsipl nsgipl sngipl gsnipl sgnipl lingsp ilngsp lnigsp nligsp inlgsp nilgsp lignsp ilgnsp lginsp glinsp iglnsp gilnsp lngisp nlgisp lgnisp glnisp nglisp gnlisp inglsp niglsp ignlsp ginlsp ngilsp gnilsp linsgp ilnsgp lnisgp nlisgp inlsgp nilsgp lisngp ilsngp lsingp slingp islngp silngp lnsigp nlsigp lsnigp slnigp nsligp snligp inslgp nislgp isnlgp sinlgp nsilgp snilgp ligsnp ilgsnp lgisnp glisnp iglsnp gilsnp lisgnp ilsgnp lsignp slignp islgnp silgnp lgsinp glsinp lsginp slginp gslinp sglinp igslnp gislnp isglnp siglnp gsilnp sgilnp lngsip nlgsip lgnsip glnsip nglsip gnlsip lnsgip nlsgip lsngip slngip nslgip snlgip lgsnip glsnip lsgnip slgnip gslnip sglnip ngslip gnslip nsglip snglip gsnlip sgnlip ingslp nigslp ignslp ginslp ngislp gnislp insglp nisglp isnglp singlp nsiglp sniglp igsnlp gisnlp isgnlp signlp gsinlp sginlp ngsilp gnsilp nsgilp sngilp gsnilp sgnilp
Note: these 'words' (valid or invalid) are all the permutations of the word plings. These words are obtained by scrambling the letters in plings.