upbows pubows ubpows bupows pbuows bpuows upobws puobws uopbws oupbws poubws opubws ubopws buopws uobpws oubpws boupws obupws pbouws bpouws pobuws opbuws bopuws obpuws upbwos pubwos ubpwos bupwos pbuwos bpuwos upwbos puwbos uwpbos wupbos pwubos wpubos ubwpos buwpos uwbpos wubpos bwupos wbupos pbwuos bpwuos pwbuos wpbuos bwpuos wbpuos upowbs puowbs uopwbs oupwbs pouwbs opuwbs upwobs puwobs uwpobs wupobs pwuobs wpuobs uowpbs ouwpbs uwopbs wuopbs owupbs woupbs powubs opwubs pwoubs wpoubs owpubs wopubs ubowps buowps uobwps oubwps bouwps obuwps ubwops buwops uwbops wubops bwuops wbuops uowbps ouwbps uwobps wuobps owubps woubps bowups obwups bwoups wboups owbups wobups pbowus bpowus pobwus opbwus bopwus obpwus pbwous bpwous pwbous wpbous bwpous wbpous powbus opwbus pwobus wpobus owpbus wopbus bowpus obwpus bwopus wbopus owbpus wobpus upbosw pubosw ubposw buposw pbuosw bpuosw upobsw puobsw uopbsw oupbsw poubsw opubsw ubopsw buopsw uobpsw oubpsw boupsw obupsw pbousw bpousw pobusw opbusw bopusw obpusw upbsow pubsow ubpsow bupsow pbusow bpusow upsbow pusbow uspbow supbow psubow spubow ubspow buspow usbpow subpow bsupow sbupow pbsuow bpsuow psbuow spbuow bspuow sbpuow uposbw puosbw uopsbw oupsbw pousbw opusbw upsobw pusobw uspobw supobw psuobw spuobw uospbw ouspbw usopbw suopbw osupbw soupbw posubw opsubw psoubw spoubw ospubw sopubw ubospw buospw uobspw oubspw bouspw obuspw ubsopw busopw usbopw subopw bsuopw sbuopw uosbpw ousbpw usobpw suobpw osubpw soubpw bosupw obsupw bsoupw sboupw osbupw sobupw pbosuw bposuw pobsuw opbsuw bopsuw obpsuw pbsouw bpsouw psbouw spbouw bspouw sbpouw posbuw opsbuw psobuw spobuw ospbuw sopbuw bospuw obspuw bsopuw sbopuw osbpuw sobpuw upbwso pubwso ubpwso bupwso pbuwso bpuwso upwbso puwbso uwpbso wupbso pwubso wpubso ubwpso buwpso uwbpso wubpso bwupso wbupso pbwuso bpwuso pwbuso wpbuso bwpuso wbpuso upbswo pubswo ubpswo bupswo pbuswo bpuswo upsbwo pusbwo uspbwo supbwo psubwo spubwo ubspwo buspwo usbpwo subpwo bsupwo sbupwo pbsuwo bpsuwo psbuwo spbuwo bspuwo sbpuwo upwsbo puwsbo uwpsbo wupsbo pwusbo wpusbo upswbo puswbo uspwbo supwbo psuwbo spuwbo uwspbo wuspbo uswpbo suwpbo wsupbo swupbo pwsubo wpsubo pswubo spwubo wspubo swpubo ubwspo buwspo uwbspo wubspo bwuspo wbuspo ubswpo buswpo usbwpo subwpo bsuwpo sbuwpo uwsbpo wusbpo uswbpo suwbpo wsubpo swubpo bwsupo wbsupo bswupo sbwupo wsbupo swbupo pbwsuo bpwsuo pwbsuo wpbsuo bwpsuo wbpsuo pbswuo bpswuo psbwuo spbwuo bspwuo sbpwuo pwsbuo wpsbuo pswbuo spwbuo wspbuo swpbuo bwspuo wbspuo bswpuo sbwpuo wsbpuo swbpuo upowsb puowsb uopwsb oupwsb pouwsb opuwsb upwosb puwosb uwposb wuposb pwuosb wpuosb uowpsb ouwpsb uwopsb wuopsb owupsb woupsb powusb opwusb pwousb wpousb owpusb wopusb uposwb puoswb uopswb oupswb pouswb opuswb upsowb pusowb uspowb supowb psuowb spuowb uospwb ouspwb usopwb suopwb osupwb soupwb posuwb opsuwb psouwb spouwb ospuwb sopuwb upwsob puwsob uwpsob wupsob pwusob wpusob upswob puswob uspwob supwob psuwob spuwob uwspob wuspob uswpob suwpob wsupob swupob pwsuob wpsuob pswuob spwuob wspuob swpuob uowspb ouwspb uwospb wuospb owuspb wouspb uoswpb ouswpb usowpb suowpb osuwpb souwpb uwsopb wusopb uswopb suwopb wsuopb swuopb owsupb wosupb oswupb sowupb wsoupb swoupb powsub opwsub pwosub wposub owpsub wopsub poswub opswub psowub spowub ospwub sopwub pwsoub wpsoub pswoub spwoub wspoub swpoub owspub wospub oswpub sowpub wsopub swopub ubowsp buowsp uobwsp oubwsp bouwsp obuwsp ubwosp buwosp uwbosp wubosp bwuosp wbuosp uowbsp ouwbsp uwobsp wuobsp owubsp woubsp bowusp obwusp bwousp wbousp owbusp wobusp uboswp buoswp uobswp oubswp bouswp obuswp ubsowp busowp usbowp subowp bsuowp sbuowp uosbwp ousbwp usobwp suobwp osubwp soubwp bosuwp obsuwp bsouwp sbouwp osbuwp sobuwp ubwsop buwsop uwbsop wubsop bwusop wbusop ubswop buswop usbwop subwop bsuwop sbuwop uwsbop wusbop uswbop suwbop wsubop swubop bwsuop wbsuop bswuop sbwuop wsbuop swbuop uowsbp ouwsbp uwosbp wuosbp owusbp wousbp uoswbp ouswbp usowbp suowbp osuwbp souwbp uwsobp wusobp uswobp suwobp wsuobp swuobp owsubp wosubp oswubp sowubp wsoubp swoubp bowsup obwsup bwosup wbosup owbsup wobsup boswup obswup bsowup sbowup osbwup sobwup bwsoup wbsoup bswoup sbwoup wsboup swboup owsbup wosbup oswbup sowbup wsobup swobup pbowsu bpowsu pobwsu opbwsu bopwsu obpwsu pbwosu bpwosu pwbosu wpbosu bwposu wbposu powbsu opwbsu pwobsu wpobsu owpbsu wopbsu bowpsu obwpsu bwopsu wbopsu owbpsu wobpsu pboswu bposwu pobswu opbswu bopswu obpswu pbsowu bpsowu psbowu spbowu bspowu sbpowu posbwu opsbwu psobwu spobwu ospbwu sopbwu bospwu obspwu bsopwu sbopwu osbpwu sobpwu pbwsou bpwsou pwbsou wpbsou bwpsou wbpsou pbswou bpswou psbwou spbwou bspwou sbpwou pwsbou wpsbou pswbou spwbou wspbou swpbou bwspou wbspou bswpou sbwpou wsbpou swbpou powsbu opwsbu pwosbu wposbu owpsbu wopsbu poswbu opswbu psowbu spowbu ospwbu sopwbu pwsobu wpsobu pswobu spwobu wspobu swpobu owspbu wospbu oswpbu sowpbu wsopbu swopbu bowspu obwspu bwospu wbospu owbspu wobspu boswpu obswpu bsowpu sbowpu osbwpu sobwpu bwsopu wbsopu bswopu sbwopu wsbopu swbopu owsbpu wosbpu oswbpu sowbpu wsobpu swobpu
Note: these 'words' (valid or invalid) are all the permutations of the word upbows. These words are obtained by scrambling the letters in upbows.