ipase piase iapse aipse paise apise ipsae pisae ispae sipae psiae spiae iaspe aispe isape siape asipe saipe pasie apsie psaie spaie aspie sapie ipaes piaes iapes aipes paies apies ipeas pieas iepas eipas peias epias iaeps aieps ieaps eiaps aeips eaips paeis apeis peais epais aepis eapis ipsea pisea ispea sipea psiea spiea ipesa piesa iepsa eipsa peisa episa isepa siepa iespa eispa seipa esipa pseia speia pesia epsia sepia espia iasep aisep isaep siaep asiep saiep iaesp aiesp ieasp eiasp aeisp eaisp iseap sieap iesap eisap seiap esiap aseip saeip aesip easip seaip esaip pasei apsei psaei spaei aspei sapei paesi apesi peasi epasi aepsi eapsi pseai speai pesai epsai sepai espai asepi saepi aespi easpi seapi esapi
Note: these 'words' (valid or invalid) are all the permutations of the word ipase. These words are obtained by scrambling the letters in ipase.