upbeat pubeat ubpeat bupeat pbueat bpueat upebat puebat uepbat eupbat peubat epubat ubepat buepat uebpat eubpat beupat ebupat pbeuat bpeuat pebuat epbuat bepuat ebpuat upbaet pubaet ubpaet bupaet pbuaet bpuaet upabet puabet uapbet aupbet paubet apubet ubapet buapet uabpet aubpet baupet abupet pbauet bpauet pabuet apbuet bapuet abpuet upeabt pueabt uepabt eupabt peuabt epuabt upaebt puaebt uapebt aupebt pauebt apuebt ueapbt euapbt uaepbt auepbt eaupbt aeupbt peaubt epaubt paeubt apeubt eapubt aepubt ubeapt bueapt uebapt eubapt beuapt ebuapt ubaept buaept uabept aubept bauept abuept ueabpt euabpt uaebpt auebpt eaubpt aeubpt beaupt ebaupt baeupt abeupt eabupt aebupt pbeaut bpeaut pebaut epbaut bepaut ebpaut pbaeut bpaeut pabeut apbeut bapeut abpeut peabut epabut paebut apebut eapbut aepbut beaput ebaput baeput abeput eabput aebput upbeta pubeta ubpeta bupeta pbueta bpueta upebta puebta uepbta eupbta peubta epubta ubepta buepta uebpta eubpta beupta ebupta pbeuta bpeuta pebuta epbuta beputa ebputa upbtea pubtea ubptea buptea pbutea bputea uptbea putbea utpbea tupbea ptubea tpubea ubtpea butpea utbpea tubpea btupea tbupea pbtuea bptuea ptbuea tpbuea btpuea tbpuea upetba puetba ueptba euptba peutba eputba upteba puteba utpeba tupeba ptueba tpueba uetpba eutpba utepba tuepba etupba teupba petuba eptuba pteuba tpeuba etpuba tepuba ubetpa buetpa uebtpa eubtpa beutpa ebutpa ubtepa butepa utbepa tubepa btuepa tbuepa uetbpa eutbpa utebpa tuebpa etubpa teubpa betupa ebtupa bteupa tbeupa etbupa tebupa pbetua bpetua pebtua epbtua beptua ebptua pbteua bpteua ptbeua tpbeua btpeua tbpeua petbua eptbua ptebua tpebua etpbua tepbua betpua ebtpua btepua tbepua etbpua tebpua upbate pubate ubpate bupate pbuate bpuate upabte puabte uapbte aupbte paubte apubte ubapte buapte uabpte aubpte baupte abupte pbaute bpaute pabute apbute bapute abpute upbtae pubtae ubptae buptae pbutae bputae uptbae putbae utpbae tupbae ptubae tpubae ubtpae butpae utbpae tubpae btupae tbupae pbtuae bptuae ptbuae tpbuae btpuae tbpuae upatbe puatbe uaptbe auptbe pautbe aputbe uptabe putabe utpabe tupabe ptuabe tpuabe uatpbe autpbe utapbe tuapbe atupbe taupbe patube aptube ptaube tpaube atpube tapube ubatpe buatpe uabtpe aubtpe bautpe abutpe ubtape butape utbape tubape btuape tbuape uatbpe autbpe utabpe tuabpe atubpe taubpe batupe abtupe btaupe tbaupe atbupe tabupe pbatue bpatue pabtue apbtue baptue abptue pbtaue bptaue ptbaue tpbaue btpaue tbpaue patbue aptbue ptabue tpabue atpbue tapbue batpue abtpue btapue tbapue atbpue tabpue upeatb pueatb uepatb eupatb peuatb epuatb upaetb puaetb uapetb aupetb pauetb apuetb ueaptb euaptb uaeptb aueptb eauptb aeuptb peautb epautb paeutb apeutb eaputb aeputb upetab puetab ueptab euptab peutab eputab upteab puteab utpeab tupeab ptueab tpueab uetpab eutpab utepab tuepab etupab teupab petuab eptuab pteuab tpeuab etpuab tepuab upateb puateb uapteb aupteb pauteb aputeb uptaeb putaeb utpaeb tupaeb ptuaeb tpuaeb uatpeb autpeb utapeb tuapeb atupeb taupeb patueb aptueb ptaueb tpaueb atpueb tapueb ueatpb euatpb uaetpb auetpb eautpb aeutpb uetapb eutapb uteapb tueapb etuapb teuapb uatepb autepb utaepb tuaepb atuepb tauepb eatupb aetupb etaupb teaupb ateupb taeupb peatub epatub paetub apetub eaptub aeptub petaub eptaub pteaub tpeaub etpaub tepaub pateub apteub ptaeub tpaeub atpeub tapeub eatpub aetpub etapub teapub atepub taepub ubeatp bueatp uebatp eubatp beuatp ebuatp ubaetp buaetp uabetp aubetp bauetp abuetp ueabtp euabtp uaebtp auebtp eaubtp aeubtp beautp ebautp baeutp abeutp eabutp aebutp ubetap buetap uebtap eubtap beutap ebutap ubteap buteap utbeap tubeap btueap tbueap uetbap eutbap utebap tuebap etubap teubap betuap ebtuap bteuap tbeuap etbuap tebuap ubatep buatep uabtep aubtep bautep abutep ubtaep butaep utbaep tubaep btuaep tbuaep uatbep autbep utabep tuabep atubep taubep batuep abtuep btauep tbauep atbuep tabuep ueatbp euatbp uaetbp auetbp eautbp aeutbp uetabp eutabp uteabp tueabp etuabp teuabp uatebp autebp utaebp tuaebp atuebp tauebp eatubp aetubp etaubp teaubp ateubp taeubp beatup ebatup baetup abetup eabtup aebtup betaup ebtaup bteaup tbeaup etbaup tebaup bateup abteup btaeup tbaeup atbeup tabeup eatbup aetbup etabup teabup atebup taebup pbeatu bpeatu pebatu epbatu bepatu ebpatu pbaetu bpaetu pabetu apbetu bapetu abpetu peabtu epabtu paebtu apebtu eapbtu aepbtu beaptu ebaptu baeptu abeptu eabptu aebptu pbetau bpetau pebtau epbtau beptau ebptau pbteau bpteau ptbeau tpbeau btpeau tbpeau petbau eptbau ptebau tpebau etpbau tepbau betpau ebtpau btepau tbepau etbpau tebpau pbateu bpateu pabteu apbteu bapteu abpteu pbtaeu bptaeu ptbaeu tpbaeu btpaeu tbpaeu patbeu aptbeu ptabeu tpabeu atpbeu tapbeu batpeu abtpeu btapeu tbapeu atbpeu tabpeu peatbu epatbu paetbu apetbu eaptbu aeptbu petabu eptabu pteabu tpeabu etpabu tepabu patebu aptebu ptaebu tpaebu atpebu tapebu eatpbu aetpbu etapbu teapbu atepbu taepbu beatpu ebatpu baetpu abetpu eabtpu aebtpu betapu ebtapu bteapu tbeapu etbapu tebapu batepu abtepu btaepu tbaepu atbepu tabepu eatbpu aetbpu etabpu teabpu atebpu taebpu
Note: these 'words' (valid or invalid) are all the permutations of the word upbeat. These words are obtained by scrambling the letters in upbeat.