inspan nispan isnpan sinpan nsipan snipan inpsan nipsan ipnsan pinsan npisan pnisan ispnan sipnan ipsnan pisnan spinan psinan nspian snpian npsian pnsian spnian psnian insapn nisapn isnapn sinapn nsiapn sniapn inaspn niaspn ianspn ainspn naispn anispn isanpn sianpn iasnpn aisnpn sainpn asinpn nsaipn snaipn nasipn ansipn sanipn asnipn inpasn nipasn ipnasn pinasn npiasn pniasn inapsn niapsn ianpsn ainpsn naipsn anipsn ipansn piansn iapnsn aipnsn painsn apinsn npaisn pnaisn napisn anpisn panisn apnisn ispann sipann ipsann pisann spiann psiann isapnn siapnn iaspnn aispnn saipnn asipnn ipasnn piasnn iapsnn aipsnn paisnn apisnn spainn psainn sapinn aspinn pasinn apsinn nspain snpain npsain pnsain spnain psnain nsapin snapin naspin anspin sanpin asnpin npasin pnasin napsin anpsin pansin apnsin spanin psanin sapnin aspnin pasnin apsnin inspna nispna isnpna sinpna nsipna snipna inpsna nipsna ipnsna pinsna npisna pnisna ispnna sipnna ipsnna pisnna spinna psinna nspina snpina npsina pnsina spnina psnina insnpa nisnpa isnnpa sinnpa nsinpa sninpa innspa ninspa innspa ninspa nnispa nnispa isnnpa sinnpa insnpa nisnpa sninpa nsinpa nsnipa snnipa nnsipa nnsipa snnipa nsnipa inpnsa nipnsa ipnnsa pinnsa npinsa pninsa innpsa ninpsa innpsa ninpsa nnipsa nnipsa ipnnsa pinnsa inpnsa nipnsa pninsa npinsa npnisa pnnisa nnpisa nnpisa pnnisa npnisa ispnna sipnna ipsnna pisnna spinna psinna isnpna sinpna inspna nispna snipna nsipna ipnsna pinsna inpsna nipsna pnisna npisna spnina psnina snpina nspina pnsina npsina nspnia snpnia npsnia pnsnia spnnia psnnia nsnpia snnpia nnspia nnspia snnpia nsnpia npnsia pnnsia nnpsia nnpsia pnnsia npnsia spnnia psnnia snpnia nspnia pnsnia npsnia insanp nisanp isnanp sinanp nsianp snianp inasnp niasnp iansnp ainsnp naisnp anisnp isannp siannp iasnnp aisnnp sainnp asinnp nsainp snainp nasinp ansinp saninp asninp insnap nisnap isnnap sinnap nsinap sninap innsap ninsap innsap ninsap nnisap nnisap isnnap sinnap insnap nisnap sninap nsinap nsniap snniap nnsiap nnsiap snniap nsniap inansp niansp iannsp ainnsp nainsp aninsp innasp ninasp innasp ninasp nniasp nniasp iannsp ainnsp inansp niansp aninsp nainsp nanisp annisp nnaisp nnaisp annisp nanisp isannp siannp iasnnp aisnnp sainnp asinnp isnanp sinanp insanp nisanp snianp nsianp iansnp ainsnp inasnp niasnp anisnp naisnp saninp asninp snainp nsainp ansinp nasinp nsanip snanip nasnip ansnip sannip asnnip nsnaip snnaip nnsaip nnsaip snnaip nsnaip nansip annsip nnasip nnasip annsip nansip sannip asnnip snanip nsanip ansnip nasnip inpans nipans ipnans pinans npians pnians inapns niapns ianpns ainpns naipns anipns ipanns pianns iapnns aipnns painns apinns npains pnains napins anpins panins apnins inpnas nipnas ipnnas pinnas npinas pninas innpas ninpas innpas ninpas nnipas nnipas ipnnas pinnas inpnas nipnas pninas npinas npnias pnnias nnpias nnpias pnnias npnias inanps nianps iannps ainnps nainps aninps innaps ninaps innaps ninaps nniaps nniaps iannps ainnps inanps nianps aninps nainps nanips annips nnaips nnaips annips nanips ipanns pianns iapnns aipnns painns apinns ipnans pinans inpans nipans pnians npians ianpns ainpns inapns niapns anipns naipns panins apnins pnains npains anpins napins npanis pnanis napnis anpnis pannis apnnis npnais pnnais nnpais nnpais pnnais npnais nanpis annpis nnapis nnapis annpis nanpis pannis apnnis pnanis npanis anpnis napnis ispann sipann ipsann pisann spiann psiann isapnn siapnn iaspnn aispnn saipnn asipnn ipasnn piasnn iapsnn aipsnn paisnn apisnn spainn psainn sapinn aspinn pasinn apsinn ispnan sipnan ipsnan pisnan spinan psinan isnpan sinpan inspan nispan snipan nsipan ipnsan pinsan inpsan nipsan pnisan npisan spnian psnian snpian nspian pnsian npsian isanpn sianpn iasnpn aisnpn sainpn asinpn isnapn sinapn insapn nisapn sniapn nsiapn ianspn ainspn inaspn niaspn anispn naispn sanipn asnipn snaipn nsaipn ansipn nasipn ipansn piansn iapnsn aipnsn painsn apinsn ipnasn pinasn inpasn nipasn pniasn npiasn ianpsn ainpsn inapsn niapsn anipsn naipsn panisn apnisn pnaisn npaisn anpisn napisn spanin psanin sapnin aspnin pasnin apsnin spnain psnain snpain nspain pnsain npsain sanpin asnpin snapin nsapin anspin naspin pansin apnsin pnasin npasin anpsin napsin nspani snpani npsani pnsani spnani psnani nsapni snapni naspni anspni sanpni asnpni npasni pnasni napsni anpsni pansni apnsni spanni psanni sapnni aspnni pasnni apsnni nspnai snpnai npsnai pnsnai spnnai psnnai nsnpai snnpai nnspai nnspai snnpai nsnpai npnsai pnnsai nnpsai nnpsai pnnsai npnsai spnnai psnnai snpnai nspnai pnsnai npsnai nsanpi snanpi nasnpi ansnpi sannpi asnnpi nsnapi snnapi nnsapi nnsapi snnapi nsnapi nanspi annspi nnaspi nnaspi annspi nanspi sannpi asnnpi snanpi nsanpi ansnpi nasnpi npansi pnansi napnsi anpnsi pannsi apnnsi npnasi pnnasi nnpasi nnpasi pnnasi npnasi nanpsi annpsi nnapsi nnapsi annpsi nanpsi pannsi apnnsi pnansi npansi anpnsi napnsi spanni psanni sapnni aspnni pasnni apsnni spnani psnani snpani nspani pnsani npsani sanpni asnpni snapni nsapni anspni naspni pansni apnsni pnasni npasni anpsni napsni
Note: these 'words' (valid or invalid) are all the permutations of the word inspan. These words are obtained by scrambling the letters in inspan.