upgrew pugrew ugprew guprew pgurew gpurew uprgew purgew urpgew rupgew prugew rpugew ugrpew gurpew urgpew rugpew grupew rgupew pgruew gpruew prguew rpguew grpuew rgpuew upgerw pugerw ugperw guperw pguerw gpuerw upegrw puegrw uepgrw eupgrw peugrw epugrw ugeprw gueprw uegprw eugprw geuprw eguprw pgeurw gpeurw pegurw epgurw gepurw egpurw upregw puregw urpegw rupegw pruegw rpuegw upergw puergw ueprgw euprgw peurgw epurgw urepgw ruepgw uerpgw eurpgw reupgw erupgw preugw rpeugw perugw eprugw repugw erpugw ugrepw gurepw urgepw rugepw gruepw rguepw ugerpw guerpw uegrpw eugrpw geurpw egurpw uregpw ruegpw uergpw eurgpw reugpw erugpw greupw rgeupw gerupw egrupw regupw ergupw pgreuw gpreuw prgeuw rpgeuw grpeuw rgpeuw pgeruw gperuw pegruw epgruw gepruw egpruw preguw rpeguw perguw eprguw repguw erpguw grepuw rgepuw gerpuw egrpuw regpuw ergpuw upgrwe pugrwe ugprwe guprwe pgurwe gpurwe uprgwe purgwe urpgwe rupgwe prugwe rpugwe ugrpwe gurpwe urgpwe rugpwe grupwe rgupwe pgruwe gpruwe prguwe rpguwe grpuwe rgpuwe upgwre pugwre ugpwre gupwre pguwre gpuwre upwgre puwgre uwpgre wupgre pwugre wpugre ugwpre guwpre uwgpre wugpre gwupre wgupre pgwure gpwure pwgure wpgure gwpure wgpure uprwge purwge urpwge rupwge pruwge rpuwge upwrge puwrge uwprge wuprge pwurge wpurge urwpge ruwpge uwrpge wurpge rwupge wrupge prwuge rpwuge pwruge wpruge rwpuge wrpuge ugrwpe gurwpe urgwpe rugwpe gruwpe rguwpe ugwrpe guwrpe uwgrpe wugrpe gwurpe wgurpe urwgpe ruwgpe uwrgpe wurgpe rwugpe wrugpe grwupe rgwupe gwrupe wgrupe rwgupe wrgupe pgrwue gprwue prgwue rpgwue grpwue rgpwue pgwrue gpwrue pwgrue wpgrue gwprue wgprue prwgue rpwgue pwrgue wprgue rwpgue wrpgue grwpue rgwpue gwrpue wgrpue rwgpue wrgpue upgewr pugewr ugpewr gupewr pguewr gpuewr upegwr puegwr uepgwr eupgwr peugwr epugwr ugepwr guepwr uegpwr eugpwr geupwr egupwr pgeuwr gpeuwr peguwr epguwr gepuwr egpuwr upgwer pugwer ugpwer gupwer pguwer gpuwer upwger puwger uwpger wupger pwuger wpuger ugwper guwper uwgper wugper gwuper wguper pgwuer gpwuer pwguer wpguer gwpuer wgpuer upewgr puewgr uepwgr eupwgr peuwgr epuwgr upwegr puwegr uwpegr wupegr pwuegr wpuegr uewpgr euwpgr uwepgr wuepgr ewupgr weupgr pewugr epwugr pweugr wpeugr ewpugr wepugr ugewpr guewpr uegwpr eugwpr geuwpr eguwpr ugwepr guwepr uwgepr wugepr gwuepr wguepr uewgpr euwgpr uwegpr wuegpr ewugpr weugpr gewupr egwupr gweupr wgeupr ewgupr wegupr pgewur gpewur pegwur epgwur gepwur egpwur pgweur gpweur pwgeur wpgeur gwpeur wgpeur pewgur epwgur pwegur wpegur ewpgur wepgur gewpur egwpur gwepur wgepur ewgpur wegpur uprewg purewg urpewg rupewg pruewg rpuewg uperwg puerwg ueprwg euprwg peurwg epurwg urepwg ruepwg uerpwg eurpwg reupwg erupwg preuwg rpeuwg peruwg epruwg repuwg erpuwg uprweg purweg urpweg rupweg pruweg rpuweg upwreg puwreg uwpreg wupreg pwureg wpureg urwpeg ruwpeg uwrpeg wurpeg rwupeg wrupeg prwueg rpwueg pwrueg wprueg rwpueg wrpueg upewrg puewrg uepwrg eupwrg peuwrg epuwrg upwerg puwerg uwperg wuperg pwuerg wpuerg uewprg euwprg uweprg wueprg ewuprg weuprg pewurg epwurg pweurg wpeurg ewpurg wepurg urewpg ruewpg uerwpg eurwpg reuwpg eruwpg urwepg ruwepg uwrepg wurepg rwuepg wruepg uewrpg euwrpg uwerpg wuerpg ewurpg weurpg rewupg erwupg rweupg wreupg ewrupg werupg prewug rpewug perwug eprwug repwug erpwug prweug rpweug pwreug wpreug rwpeug wrpeug pewrug epwrug pwerug wperug ewprug weprug rewpug erwpug rwepug wrepug ewrpug werpug ugrewp gurewp urgewp rugewp gruewp rguewp ugerwp guerwp uegrwp eugrwp geurwp egurwp uregwp ruegwp uergwp eurgwp reugwp erugwp greuwp rgeuwp geruwp egruwp reguwp erguwp ugrwep gurwep urgwep rugwep gruwep rguwep ugwrep guwrep uwgrep wugrep gwurep wgurep urwgep ruwgep uwrgep wurgep rwugep wrugep grwuep rgwuep gwruep wgruep rwguep wrguep ugewrp guewrp uegwrp eugwrp geuwrp eguwrp ugwerp guwerp uwgerp wugerp gwuerp wguerp uewgrp euwgrp uwegrp wuegrp ewugrp weugrp gewurp egwurp gweurp wgeurp ewgurp wegurp urewgp ruewgp uerwgp eurwgp reuwgp eruwgp urwegp ruwegp uwregp wuregp rwuegp wruegp uewrgp euwrgp uwergp wuergp ewurgp weurgp rewugp erwugp rweugp wreugp ewrugp werugp grewup rgewup gerwup egrwup regwup ergwup grweup rgweup gwreup wgreup rwgeup wrgeup gewrup egwrup gwerup wgerup ewgrup wegrup rewgup erwgup rwegup wregup ewrgup wergup pgrewu gprewu prgewu rpgewu grpewu rgpewu pgerwu gperwu pegrwu epgrwu geprwu egprwu pregwu rpegwu pergwu eprgwu repgwu erpgwu grepwu rgepwu gerpwu egrpwu regpwu ergpwu pgrweu gprweu prgweu rpgweu grpweu rgpweu pgwreu gpwreu pwgreu wpgreu gwpreu wgpreu prwgeu rpwgeu pwrgeu wprgeu rwpgeu wrpgeu grwpeu rgwpeu gwrpeu wgrpeu rwgpeu wrgpeu pgewru gpewru pegwru epgwru gepwru egpwru pgweru gpweru pwgeru wpgeru gwperu wgperu pewgru epwgru pwegru wpegru ewpgru wepgru gewpru egwpru gwepru wgepru ewgpru wegpru prewgu rpewgu perwgu eprwgu repwgu erpwgu prwegu rpwegu pwregu wpregu rwpegu wrpegu pewrgu epwrgu pwergu wpergu ewprgu weprgu rewpgu erwpgu rwepgu wrepgu ewrpgu werpgu grewpu rgewpu gerwpu egrwpu regwpu ergwpu grwepu rgwepu gwrepu wgrepu rwgepu wrgepu gewrpu egwrpu gwerpu wgerpu ewgrpu wegrpu rewgpu erwgpu rwegpu wregpu ewrgpu wergpu
Note: these 'words' (valid or invalid) are all the permutations of the word upgrew. These words are obtained by scrambling the letters in upgrew.