wipas iwpas wpias pwias ipwas piwas wiaps iwaps waips awips iawps aiwps wpais pwais wapis awpis pawis apwis ipaws piaws iapws aipws paiws apiws wipsa iwpsa wpisa pwisa ipwsa piwsa wispa iwspa wsipa swipa iswpa siwpa wpsia pwsia wspia swpia pswia spwia ipswa piswa ispwa sipwa psiwa spiwa wiasp iwasp waisp awisp iawsp aiwsp wisap iwsap wsiap swiap iswap siwap wasip awsip wsaip swaip aswip sawip iaswp aiswp isawp siawp asiwp saiwp wpasi pwasi wapsi awpsi pawsi apwsi wpsai pwsai wspai swpai pswai spwai waspi awspi wsapi swapi aswpi sawpi paswi apswi psawi spawi aspwi sapwi ipasw piasw iapsw aipsw paisw apisw ipsaw pisaw ispaw sipaw psiaw spiaw iaspw aispw isapw siapw asipw saipw pasiw apsiw psaiw spaiw aspiw sapiw
Note: these 'words' (valid or invalid) are all the permutations of the word wipas. These words are obtained by scrambling the letters in wipas.