unbans nubans ubnans bunans nbuans bnuans unabns nuabns uanbns aunbns naubns anubns ubanns buanns uabnns aubnns baunns abunns nbauns bnauns nabuns anbuns banuns abnuns unbnas nubnas ubnnas bunnas nbunas bnunas unnbas nunbas unnbas nunbas nnubas nnubas ubnnas bunnas unbnas nubnas bnunas nbunas nbnuas bnnuas nnbuas nnbuas bnnuas nbnuas unanbs nuanbs uannbs aunnbs naunbs anunbs unnabs nunabs unnabs nunabs nnuabs nnuabs uannbs aunnbs unanbs nuanbs anunbs naunbs nanubs annubs nnaubs nnaubs annubs nanubs ubanns buanns uabnns aubnns baunns abunns ubnans bunans unbans nubans bnuans nbuans uanbns aunbns unabns nuabns anubns naubns banuns abnuns bnauns nbauns anbuns nabuns nbanus bnanus nabnus anbnus bannus abnnus nbnaus bnnaus nnbaus nnbaus bnnaus nbnaus nanbus annbus nnabus nnabus annbus nanbus bannus abnnus bnanus nbanus anbnus nabnus unbasn nubasn ubnasn bunasn nbuasn bnuasn unabsn nuabsn uanbsn aunbsn naubsn anubsn ubansn buansn uabnsn aubnsn baunsn abunsn nbausn bnausn nabusn anbusn banusn abnusn unbsan nubsan ubnsan bunsan nbusan bnusan unsban nusban usnban sunban nsuban snuban ubsnan busnan usbnan subnan bsunan sbunan nbsuan bnsuan nsbuan snbuan bsnuan sbnuan unasbn nuasbn uansbn aunsbn nausbn anusbn unsabn nusabn usnabn sunabn nsuabn snuabn uasnbn ausnbn usanbn suanbn asunbn saunbn nasubn ansubn nsaubn snaubn asnubn sanubn ubasnn buasnn uabsnn aubsnn bausnn abusnn ubsann busann usbann subann bsuann sbuann uasbnn ausbnn usabnn suabnn asubnn saubnn basunn absunn bsaunn sbaunn asbunn sabunn nbasun bnasun nabsun anbsun bansun abnsun nbsaun bnsaun nsbaun snbaun bsnaun sbnaun nasbun ansbun nsabun snabun asnbun sanbun basnun absnun bsanun sbanun asbnun sabnun unbnsa nubnsa ubnnsa bunnsa nbunsa bnunsa unnbsa nunbsa unnbsa nunbsa nnubsa nnubsa ubnnsa bunnsa unbnsa nubnsa bnunsa nbunsa nbnusa bnnusa nnbusa nnbusa bnnusa nbnusa unbsna nubsna ubnsna bunsna nbusna bnusna unsbna nusbna usnbna sunbna nsubna snubna ubsnna busnna usbnna subnna bsunna sbunna nbsuna bnsuna nsbuna snbuna bsnuna sbnuna unnsba nunsba unnsba nunsba nnusba nnusba unsnba nusnba usnnba sunnba nsunba snunba unsnba nusnba usnnba sunnba nsunba snunba nnsuba nnsuba nsnuba snnuba nsnuba snnuba ubnsna bunsna unbsna nubsna bnusna nbusna ubsnna busnna usbnna subnna bsunna sbunna unsbna nusbna usnbna sunbna nsubna snubna bnsuna nbsuna bsnuna sbnuna nsbuna snbuna nbnsua bnnsua nnbsua nnbsua bnnsua nbnsua nbsnua bnsnua nsbnua snbnua bsnnua sbnnua nnsbua nnsbua nsnbua snnbua nsnbua snnbua bnsnua nbsnua bsnnua sbnnua nsbnua snbnua unansb nuansb uannsb aunnsb naunsb anunsb unnasb nunasb unnasb nunasb nnuasb nnuasb uannsb aunnsb unansb nuansb anunsb naunsb nanusb annusb nnausb nnausb annusb nanusb unasnb nuasnb uansnb aunsnb nausnb anusnb unsanb nusanb usnanb sunanb nsuanb snuanb uasnnb ausnnb usannb suannb asunnb saunnb nasunb ansunb nsaunb snaunb asnunb sanunb unnsab nunsab unnsab nunsab nnusab nnusab unsnab nusnab usnnab sunnab nsunab snunab unsnab nusnab usnnab sunnab nsunab snunab nnsuab nnsuab nsnuab snnuab nsnuab snnuab uansnb aunsnb unasnb nuasnb anusnb nausnb uasnnb ausnnb usannb suannb asunnb saunnb unsanb nusanb usnanb sunanb nsuanb snuanb ansunb nasunb asnunb sanunb nsaunb snaunb nansub annsub nnasub nnasub annsub nansub nasnub ansnub nsanub snanub asnnub sannub nnsaub nnsaub nsnaub snnaub nsnaub snnaub ansnub nasnub asnnub sannub nsanub snanub ubansn buansn uabnsn aubnsn baunsn abunsn ubnasn bunasn unbasn nubasn bnuasn nbuasn uanbsn aunbsn unabsn nuabsn anubsn naubsn banusn abnusn bnausn nbausn anbusn nabusn ubasnn buasnn uabsnn aubsnn bausnn abusnn ubsann busann usbann subann bsuann sbuann uasbnn ausbnn usabnn suabnn asubnn saubnn basunn absunn bsaunn sbaunn asbunn sabunn ubnsan bunsan unbsan nubsan bnusan nbusan ubsnan busnan usbnan subnan bsunan sbunan unsban nusban usnban sunban nsuban snuban bnsuan nbsuan bsnuan sbnuan nsbuan snbuan uansbn aunsbn unasbn nuasbn anusbn nausbn uasnbn ausnbn usanbn suanbn asunbn saunbn unsabn nusabn usnabn sunabn nsuabn snuabn ansubn nasubn asnubn sanubn nsaubn snaubn bansun abnsun bnasun nbasun anbsun nabsun basnun absnun bsanun sbanun asbnun sabnun bnsaun nbsaun bsnaun sbnaun nsbaun snbaun ansbun nasbun asnbun sanbun nsabun snabun nbansu bnansu nabnsu anbnsu bannsu abnnsu nbnasu bnnasu nnbasu nnbasu bnnasu nbnasu nanbsu annbsu nnabsu nnabsu annbsu nanbsu bannsu abnnsu bnansu nbansu anbnsu nabnsu nbasnu bnasnu nabsnu anbsnu bansnu abnsnu nbsanu bnsanu nsbanu snbanu bsnanu sbnanu nasbnu ansbnu nsabnu snabnu asnbnu sanbnu basnnu absnnu bsannu sbannu asbnnu sabnnu nbnsau bnnsau nnbsau nnbsau bnnsau nbnsau nbsnau bnsnau nsbnau snbnau bsnnau sbnnau nnsbau nnsbau nsnbau snnbau nsnbau snnbau bnsnau nbsnau bsnnau sbnnau nsbnau snbnau nansbu annsbu nnasbu nnasbu annsbu nansbu nasnbu ansnbu nsanbu snanbu asnnbu sannbu nnsabu nnsabu nsnabu snnabu nsnabu snnabu ansnbu nasnbu asnnbu sannbu nsanbu snanbu bansnu abnsnu bnasnu nbasnu anbsnu nabsnu basnnu absnnu bsannu sbannu asbnnu sabnnu bnsanu nbsanu bsnanu sbnanu nsbanu snbanu ansbnu nasbnu asnbnu sanbnu nsabnu snabnu
Note: these 'words' (valid or invalid) are all the permutations of the word unbans. These words are obtained by scrambling the letters in unbans.