satis astis stais tsais atsis tasis saits asits siats isats aists iasts stias tsias sitas istas tisas itsas atiss taiss aitss iatss tiass itass satsi astsi stasi tsasi atssi tassi sasti assti ssati ssati assti sasti stsai tssai sstai sstai tssai stsai atssi tassi astsi satsi tsasi stasi saist asist siast isast aisst iasst sasit assit ssait ssait assit sasit sisat issat ssiat ssiat issat sisat aisst iasst asist saist isast siast stisa tsisa sitsa istsa tissa itssa stsia tssia sstia sstia tssia stsia sista issta ssita ssita issta sista tissa itssa tsisa stisa istsa sitsa atiss taiss aitss iatss tiass itass atsis tasis astis satis tsais stais aists iasts asits saits isats siats tisas itsas tsias stias istas sitas
Note: these 'words' (valid or invalid) are all the permutations of the word satis. These words are obtained by scrambling the letters in satis.