pruina rpuina purina uprina rupina urpina priuna rpiuna piruna ipruna ripuna irpuna puirna upirna piurna ipurna uiprna iuprna ruipna uripna riupna irupna uirpna iurpna prunia rpunia purnia uprnia rupnia urpnia prnuia rpnuia pnruia npruia rnpuia nrpuia punria upnria pnuria npuria unpria nupria runpia urnpia rnupia nrupia unrpia nurpia prinua rpinua pirnua iprnua ripnua irpnua prniua rpniua pnriua npriua rnpiua nrpiua pinrua ipnrua pnirua npirua inprua niprua rinpua irnpua rnipua nripua inrpua nirpua puinra upinra piunra ipunra uipnra iupnra punira upnira pnuira npuira unpira nupira pinura ipnura pniura npiura inpura nipura uinpra iunpra unipra nuipra inupra niupra ruinpa urinpa riunpa irunpa uirnpa iurnpa runipa urnipa rnuipa nruipa unripa nuripa rinupa irnupa rniupa nriupa inrupa nirupa uinrpa iunrpa unirpa nuirpa inurpa niurpa pruian rpuian purian uprian rupian urpian priuan rpiuan piruan ipruan ripuan irpuan puiran upiran piuran ipuran uipran iupran ruipan uripan riupan irupan uirpan iurpan pruain rpuain purain uprain rupain urpain prauin rpauin paruin apruin rapuin arpuin puarin uparin paurin apurin uaprin auprin ruapin urapin raupin arupin uarpin aurpin priaun rpiaun piraun ipraun ripaun irpaun praiun rpaiun pariun apriun rapiun arpiun piarun iparun pairun apirun iaprun aiprun riapun irapun raipun aripun iarpun airpun puiarn upiarn piuarn ipuarn uiparn iuparn puairn upairn pauirn apuirn uapirn aupirn piaurn ipaurn paiurn apiurn iapurn aipurn uiaprn iuaprn uaiprn auiprn iauprn aiuprn ruiapn uriapn riuapn iruapn uirapn iurapn ruaipn uraipn rauipn aruipn uaripn auripn riaupn iraupn raiupn ariupn iarupn airupn uiarpn iuarpn uairpn auirpn iaurpn aiurpn prunai rpunai purnai uprnai rupnai urpnai prnuai rpnuai pnruai npruai rnpuai nrpuai punrai upnrai pnurai npurai unprai nuprai runpai urnpai rnupai nrupai unrpai nurpai pruani rpuani purani uprani rupani urpani prauni rpauni paruni apruni rapuni arpuni puarni uparni paurni apurni uaprni auprni ruapni urapni raupni arupni uarpni aurpni prnaui rpnaui pnraui npraui rnpaui nrpaui pranui rpanui parnui aprnui rapnui arpnui pnarui nparui panrui apnrui naprui anprui rnapui nrapui ranpui arnpui narpui anrpui punari upnari pnuari npuari unpari nupari puanri upanri paunri apunri uapnri aupnri pnauri npauri panuri apnuri napuri anpuri unapri nuapri uanpri aunpri naupri anupri runapi urnapi rnuapi nruapi unrapi nurapi ruanpi uranpi raunpi arunpi uarnpi aurnpi rnaupi nraupi ranupi arnupi narupi anrupi unarpi nuarpi uanrpi aunrpi naurpi anurpi prinau rpinau pirnau iprnau ripnau irpnau prniau rpniau pnriau npriau rnpiau nrpiau pinrau ipnrau pnirau npirau inprau niprau rinpau irnpau rnipau nripau inrpau nirpau prianu rpianu piranu ipranu ripanu irpanu prainu rpainu parinu aprinu rapinu arpinu piarnu iparnu pairnu apirnu iaprnu aiprnu riapnu irapnu raipnu aripnu iarpnu airpnu prnaiu rpnaiu pnraiu npraiu rnpaiu nrpaiu praniu rpaniu parniu aprniu rapniu arpniu pnariu npariu panriu apnriu napriu anpriu rnapiu nrapiu ranpiu arnpiu narpiu anrpiu pinaru ipnaru pniaru npiaru inparu niparu pianru ipanru painru apinru iapnru aipnru pnairu npairu paniru apniru napiru anpiru inapru niapru ianpru ainpru naipru anipru rinapu irnapu rniapu nriapu inrapu nirapu rianpu iranpu rainpu arinpu iarnpu airnpu rnaipu nraipu ranipu arnipu naripu anripu inarpu niarpu ianrpu ainrpu nairpu anirpu puinar upinar piunar ipunar uipnar iupnar puniar upniar pnuiar npuiar unpiar nupiar pinuar ipnuar pniuar npiuar inpuar nipuar uinpar iunpar unipar nuipar inupar niupar puianr upianr piuanr ipuanr uipanr iupanr puainr upainr pauinr apuinr uapinr aupinr piaunr ipaunr paiunr apiunr iapunr aipunr uiapnr iuapnr uaipnr auipnr iaupnr aiupnr punair upnair pnuair npuair unpair nupair puanir upanir paunir apunir uapnir aupnir pnauir npauir panuir apnuir napuir anpuir unapir nuapir uanpir aunpir naupir anupir pinaur ipnaur pniaur npiaur inpaur nipaur pianur ipanur painur apinur iapnur aipnur pnaiur npaiur paniur apniur napiur anpiur inapur niapur ianpur ainpur naipur anipur uinapr iunapr uniapr nuiapr inuapr niuapr uianpr iuanpr uainpr auinpr iaunpr aiunpr unaipr nuaipr uanipr aunipr nauipr anuipr inaupr niaupr ianupr ainupr naiupr aniupr ruinap urinap riunap irunap uirnap iurnap runiap urniap rnuiap nruiap unriap nuriap rinuap irnuap rniuap nriuap inruap niruap uinrap iunrap unirap nuirap inurap niurap ruianp urianp riuanp iruanp uiranp iuranp ruainp urainp rauinp aruinp uarinp aurinp riaunp iraunp raiunp ariunp iarunp airunp uiarnp iuarnp uairnp auirnp iaurnp aiurnp runaip urnaip rnuaip nruaip unraip nuraip ruanip uranip raunip arunip uarnip aurnip rnauip nrauip ranuip arnuip naruip anruip unarip nuarip uanrip aunrip naurip anurip rinaup irnaup rniaup nriaup inraup niraup rianup iranup rainup arinup iarnup airnup rnaiup nraiup raniup arniup nariup anriup inarup niarup ianrup ainrup nairup anirup uinarp iunarp uniarp nuiarp inuarp niuarp uianrp iuanrp uainrp auinrp iaunrp aiunrp unairp nuairp uanirp aunirp nauirp anuirp inaurp niaurp ianurp ainurp naiurp aniurp
Note: these 'words' (valid or invalid) are all the permutations of the word pruina. These words are obtained by scrambling the letters in pruina.