gulper uglper gluper lguper ulgper lugper gupler ugpler gpuler pguler upgler pugler glpuer lgpuer gpluer pgluer lpguer plguer ulpger lupger uplger pulger lpuger pluger gulepr uglepr gluepr lguepr ulgepr lugepr guelpr ugelpr geulpr egulpr ueglpr euglpr gleupr lgeupr gelupr eglupr legupr elgupr ulegpr luegpr uelgpr eulgpr leugpr elugpr gupelr ugpelr gpuelr pguelr upgelr pugelr gueplr ugeplr geuplr eguplr uegplr eugplr gpeulr pgeulr gepulr egpulr pegulr epgulr upeglr pueglr uepglr eupglr peuglr epuglr glpeur lgpeur gpleur pgleur lpgeur plgeur glepur lgepur gelpur eglpur legpur elgpur gpelur pgelur geplur egplur peglur epglur lpegur plegur lepgur elpgur pelgur eplgur ulpegr lupegr uplegr pulegr lpuegr pluegr ulepgr luepgr uelpgr eulpgr leupgr elupgr upelgr puelgr ueplgr euplgr peulgr epulgr lpeugr pleugr lepugr elpugr pelugr eplugr gulpre uglpre glupre lgupre ulgpre lugpre guplre ugplre gpulre pgulre upglre puglre glpure lgpure gplure pglure lpgure plgure ulpgre lupgre uplgre pulgre lpugre plugre gulrpe uglrpe glurpe lgurpe ulgrpe lugrpe gurlpe ugrlpe grulpe rgulpe urglpe ruglpe glrupe lgrupe grlupe rglupe lrgupe rlgupe ulrgpe lurgpe urlgpe rulgpe lrugpe rlugpe guprle ugprle gpurle pgurle upgrle pugrle gurple ugrple gruple rguple urgple rugple gprule pgrule grpule rgpule prgule rpgule uprgle purgle urpgle rupgle prugle rpugle glprue lgprue gplrue pglrue lpgrue plgrue glrpue lgrpue grlpue rglpue lrgpue rlgpue gprlue pgrlue grplue rgplue prglue rpglue lprgue plrgue lrpgue rlpgue prlgue rplgue ulprge luprge uplrge pulrge lpurge plurge ulrpge lurpge urlpge rulpge lrupge rlupge uprlge purlge urplge ruplge prulge rpulge lpruge plruge lrpuge rlpuge prluge rpluge gulerp uglerp gluerp lguerp ulgerp lugerp guelrp ugelrp geulrp egulrp ueglrp euglrp gleurp lgeurp gelurp eglurp legurp elgurp ulegrp luegrp uelgrp eulgrp leugrp elugrp gulrep uglrep glurep lgurep ulgrep lugrep gurlep ugrlep grulep rgulep urglep ruglep glruep lgruep grluep rgluep lrguep rlguep ulrgep lurgep urlgep rulgep lrugep rlugep guerlp ugerlp geurlp egurlp uegrlp eugrlp gurelp ugrelp gruelp rguelp urgelp rugelp gerulp egrulp greulp rgeulp ergulp regulp uerglp eurglp ureglp rueglp eruglp reuglp glerup lgerup gelrup eglrup legrup elgrup glreup lgreup grleup rgleup lrgeup rlgeup gerlup egrlup grelup rgelup erglup reglup lergup elrgup lregup rlegup erlgup relgup ulergp luergp uelrgp eulrgp leurgp elurgp ulregp luregp urlegp rulegp lruegp rluegp uerlgp eurlgp urelgp ruelgp erulgp reulgp lerugp elrugp lreugp rleugp erlugp relugp guperl ugperl gpuerl pguerl upgerl pugerl gueprl ugeprl geuprl eguprl uegprl eugprl gpeurl pgeurl gepurl egpurl pegurl epgurl upegrl puegrl uepgrl eupgrl peugrl epugrl guprel ugprel gpurel pgurel upgrel pugrel gurpel ugrpel grupel rgupel urgpel rugpel gpruel pgruel grpuel rgpuel prguel rpguel uprgel purgel urpgel rupgel prugel rpugel guerpl ugerpl geurpl egurpl uegrpl eugrpl gurepl ugrepl gruepl rguepl urgepl rugepl gerupl egrupl greupl rgeupl ergupl regupl uergpl eurgpl uregpl ruegpl erugpl reugpl gperul pgerul geprul egprul pegrul epgrul gpreul pgreul grpeul rgpeul prgeul rpgeul gerpul egrpul grepul rgepul ergpul regpul pergul eprgul pregul rpegul erpgul repgul upergl puergl ueprgl euprgl peurgl epurgl upregl puregl urpegl rupegl pruegl rpuegl uerpgl eurpgl urepgl ruepgl erupgl reupgl perugl eprugl preugl rpeugl erpugl repugl glperu lgperu gpleru pgleru lpgeru plgeru glepru lgepru gelpru eglpru legpru elgpru gpelru pgelru geplru egplru peglru epglru lpegru plegru lepgru elpgru pelgru eplgru glpreu lgpreu gplreu pglreu lpgreu plgreu glrpeu lgrpeu grlpeu rglpeu lrgpeu rlgpeu gprleu pgrleu grpleu rgpleu prgleu rpgleu lprgeu plrgeu lrpgeu rlpgeu prlgeu rplgeu glerpu lgerpu gelrpu eglrpu legrpu elgrpu glrepu lgrepu grlepu rglepu lrgepu rlgepu gerlpu egrlpu grelpu rgelpu erglpu reglpu lergpu elrgpu lregpu rlegpu erlgpu relgpu gperlu pgerlu geprlu egprlu pegrlu epgrlu gprelu pgrelu grpelu rgpelu prgelu rpgelu gerplu egrplu greplu rgeplu ergplu regplu perglu eprglu preglu rpeglu erpglu repglu lpergu plergu leprgu elprgu pelrgu eplrgu lpregu plregu lrpegu rlpegu prlegu rplegu lerpgu elrpgu lrepgu rlepgu erlpgu relpgu perlgu eprlgu prelgu rpelgu erplgu replgu ulperg luperg uplerg pulerg lpuerg pluerg uleprg lueprg uelprg eulprg leuprg eluprg upelrg puelrg ueplrg euplrg peulrg epulrg lpeurg pleurg lepurg elpurg pelurg eplurg ulpreg lupreg uplreg pulreg lpureg plureg ulrpeg lurpeg urlpeg rulpeg lrupeg rlupeg uprleg purleg urpleg rupleg pruleg rpuleg lprueg plrueg lrpueg rlpueg prlueg rplueg ulerpg luerpg uelrpg eulrpg leurpg elurpg ulrepg lurepg urlepg rulepg lruepg rluepg uerlpg eurlpg urelpg ruelpg erulpg reulpg lerupg elrupg lreupg rleupg erlupg relupg uperlg puerlg ueprlg euprlg peurlg epurlg uprelg purelg urpelg rupelg pruelg rpuelg uerplg eurplg ureplg rueplg eruplg reuplg perulg eprulg preulg rpeulg erpulg repulg lperug plerug leprug elprug pelrug eplrug lpreug plreug lrpeug rlpeug prleug rpleug lerpug elrpug lrepug rlepug erlpug relpug perlug eprlug prelug rpelug erplug replug
Note: these 'words' (valid or invalid) are all the permutations of the word gulper. These words are obtained by scrambling the letters in gulper.