upblew publew ubplew buplew pbulew bpulew uplbew pulbew ulpbew lupbew plubew lpubew ublpew bulpew ulbpew lubpew blupew lbupew pbluew bpluew plbuew lpbuew blpuew lbpuew upbelw pubelw ubpelw bupelw pbuelw bpuelw upeblw pueblw uepblw eupblw peublw epublw ubeplw bueplw uebplw eubplw beuplw ebuplw pbeulw bpeulw pebulw epbulw bepulw ebpulw uplebw pulebw ulpebw lupebw pluebw lpuebw upelbw puelbw ueplbw euplbw peulbw epulbw ulepbw luepbw uelpbw eulpbw leupbw elupbw pleubw lpeubw pelubw eplubw lepubw elpubw ublepw bulepw ulbepw lubepw bluepw lbuepw ubelpw buelpw ueblpw eublpw beulpw ebulpw ulebpw luebpw uelbpw eulbpw leubpw elubpw bleupw lbeupw belupw eblupw lebupw elbupw pbleuw bpleuw plbeuw lpbeuw blpeuw lbpeuw pbeluw bpeluw pebluw epbluw bepluw ebpluw plebuw lpebuw pelbuw eplbuw lepbuw elpbuw blepuw lbepuw belpuw eblpuw lebpuw elbpuw upblwe publwe ubplwe buplwe pbulwe bpulwe uplbwe pulbwe ulpbwe lupbwe plubwe lpubwe ublpwe bulpwe ulbpwe lubpwe blupwe lbupwe pbluwe bpluwe plbuwe lpbuwe blpuwe lbpuwe upbwle pubwle ubpwle bupwle pbuwle bpuwle upwble puwble uwpble wupble pwuble wpuble ubwple buwple uwbple wubple bwuple wbuple pbwule bpwule pwbule wpbule bwpule wbpule uplwbe pulwbe ulpwbe lupwbe pluwbe lpuwbe upwlbe puwlbe uwplbe wuplbe pwulbe wpulbe ulwpbe luwpbe uwlpbe wulpbe lwupbe wlupbe plwube lpwube pwlube wplube lwpube wlpube ublwpe bulwpe ulbwpe lubwpe bluwpe lbuwpe ubwlpe buwlpe uwblpe wublpe bwulpe wbulpe ulwbpe luwbpe uwlbpe wulbpe lwubpe wlubpe blwupe lbwupe bwlupe wblupe lwbupe wlbupe pblwue bplwue plbwue lpbwue blpwue lbpwue pbwlue bpwlue pwblue wpblue bwplue wbplue plwbue lpwbue pwlbue wplbue lwpbue wlpbue blwpue lbwpue bwlpue wblpue lwbpue wlbpue upbewl pubewl ubpewl bupewl pbuewl bpuewl upebwl puebwl uepbwl eupbwl peubwl epubwl ubepwl buepwl uebpwl eubpwl beupwl ebupwl pbeuwl bpeuwl pebuwl epbuwl bepuwl ebpuwl upbwel pubwel ubpwel bupwel pbuwel bpuwel upwbel puwbel uwpbel wupbel pwubel wpubel ubwpel buwpel uwbpel wubpel bwupel wbupel pbwuel bpwuel pwbuel wpbuel bwpuel wbpuel upewbl puewbl uepwbl eupwbl peuwbl epuwbl upwebl puwebl uwpebl wupebl pwuebl wpuebl uewpbl euwpbl uwepbl wuepbl ewupbl weupbl pewubl epwubl pweubl wpeubl ewpubl wepubl ubewpl buewpl uebwpl eubwpl beuwpl ebuwpl ubwepl buwepl uwbepl wubepl bwuepl wbuepl uewbpl euwbpl uwebpl wuebpl ewubpl weubpl bewupl ebwupl bweupl wbeupl ewbupl webupl pbewul bpewul pebwul epbwul bepwul ebpwul pbweul bpweul pwbeul wpbeul bwpeul wbpeul pewbul epwbul pwebul wpebul ewpbul wepbul bewpul ebwpul bwepul wbepul ewbpul webpul uplewb pulewb ulpewb lupewb pluewb lpuewb upelwb puelwb ueplwb euplwb peulwb epulwb ulepwb luepwb uelpwb eulpwb leupwb elupwb pleuwb lpeuwb peluwb epluwb lepuwb elpuwb uplweb pulweb ulpweb lupweb pluweb lpuweb upwleb puwleb uwpleb wupleb pwuleb wpuleb ulwpeb luwpeb uwlpeb wulpeb lwupeb wlupeb plwueb lpwueb pwlueb wplueb lwpueb wlpueb upewlb puewlb uepwlb eupwlb peuwlb epuwlb upwelb puwelb uwpelb wupelb pwuelb wpuelb uewplb euwplb uweplb wueplb ewuplb weuplb pewulb epwulb pweulb wpeulb ewpulb wepulb ulewpb luewpb uelwpb eulwpb leuwpb eluwpb ulwepb luwepb uwlepb wulepb lwuepb wluepb uewlpb euwlpb uwelpb wuelpb ewulpb weulpb lewupb elwupb lweupb wleupb ewlupb welupb plewub lpewub pelwub eplwub lepwub elpwub plweub lpweub pwleub wpleub lwpeub wlpeub pewlub epwlub pwelub wpelub ewplub weplub lewpub elwpub lwepub wlepub ewlpub welpub ublewp bulewp ulbewp lubewp bluewp lbuewp ubelwp buelwp ueblwp eublwp beulwp ebulwp ulebwp luebwp uelbwp eulbwp leubwp elubwp bleuwp lbeuwp beluwp ebluwp lebuwp elbuwp ublwep bulwep ulbwep lubwep bluwep lbuwep ubwlep buwlep uwblep wublep bwulep wbulep ulwbep luwbep uwlbep wulbep lwubep wlubep blwuep lbwuep bwluep wbluep lwbuep wlbuep ubewlp buewlp uebwlp eubwlp beuwlp ebuwlp ubwelp buwelp uwbelp wubelp bwuelp wbuelp uewblp euwblp uweblp wueblp ewublp weublp bewulp ebwulp bweulp wbeulp ewbulp webulp ulewbp luewbp uelwbp eulwbp leuwbp eluwbp ulwebp luwebp uwlebp wulebp lwuebp wluebp uewlbp euwlbp uwelbp wuelbp ewulbp weulbp lewubp elwubp lweubp wleubp ewlubp welubp blewup lbewup belwup eblwup lebwup elbwup blweup lbweup bwleup wbleup lwbeup wlbeup bewlup ebwlup bwelup wbelup ewblup weblup lewbup elwbup lwebup wlebup ewlbup welbup pblewu bplewu plbewu lpbewu blpewu lbpewu pbelwu bpelwu peblwu epblwu beplwu ebplwu plebwu lpebwu pelbwu eplbwu lepbwu elpbwu blepwu lbepwu belpwu eblpwu lebpwu elbpwu pblweu bplweu plbweu lpbweu blpweu lbpweu pbwleu bpwleu pwbleu wpbleu bwpleu wbpleu plwbeu lpwbeu pwlbeu wplbeu lwpbeu wlpbeu blwpeu lbwpeu bwlpeu wblpeu lwbpeu wlbpeu pbewlu bpewlu pebwlu epbwlu bepwlu ebpwlu pbwelu bpwelu pwbelu wpbelu bwpelu wbpelu pewblu epwblu pweblu wpeblu ewpblu wepblu bewplu ebwplu bweplu wbeplu ewbplu webplu plewbu lpewbu pelwbu eplwbu lepwbu elpwbu plwebu lpwebu pwlebu wplebu lwpebu wlpebu pewlbu epwlbu pwelbu wpelbu ewplbu weplbu lewpbu elwpbu lwepbu wlepbu ewlpbu welpbu blewpu lbewpu belwpu eblwpu lebwpu elbwpu blwepu lbwepu bwlepu wblepu lwbepu wlbepu bewlpu ebwlpu bwelpu wbelpu ewblpu weblpu lewbpu elwbpu lwebpu wlebpu ewlbpu welbpu
Note: these 'words' (valid or invalid) are all the permutations of the word upblew. These words are obtained by scrambling the letters in upblew.