pians ipans pains apins iapns aipns pinas ipnas pnias npias inpas nipas panis apnis pnais npais anpis napis ianps ainps inaps niaps anips naips piasn ipasn paisn apisn iapsn aipsn pisan ipsan psian spian ispan sipan pasin apsin psain spain aspin sapin iaspn aispn isapn siapn asipn saipn pinsa ipnsa pnisa npisa inpsa nipsa pisna ipsna psina spina ispna sipna pnsia npsia psnia spnia nspia snpia inspa nispa isnpa sinpa nsipa snipa pansi apnsi pnasi npasi anpsi napsi pasni apsni psani spani aspni sapni pnsai npsai psnai spnai nspai snpai anspi naspi asnpi sanpi nsapi snapi iansp ainsp inasp niasp anisp naisp iasnp aisnp isanp sianp asinp sainp insap nisap isnap sinap nsiap sniap ansip nasip asnip sanip nsaip snaip
Note: these 'words' (valid or invalid) are all the permutations of the word pians. These words are obtained by scrambling the letters in pians.