kists iksts ksits skits iskts sikts kitss iktss ktiss tkiss itkss tikss kstis sktis ktsis tksis stkis tskis istks sitks itsks tisks stiks tsiks kisst iksst ksist skist iskst sikst kisst iksst ksist skist iskst sikst kssit sksit kssit sksit sskit sskit isskt siskt isskt siskt ssikt ssikt kitss iktss ktiss tkiss itkss tikss kists iksts ksits skits iskts sikts ktsis tksis kstis sktis tskis stkis itsks tisks istks sitks tsiks stiks kstsi sktsi ktssi tkssi stksi tsksi kssti sksti kssti sksti sskti sskti ktssi tkssi kstsi sktsi tsksi stksi stski tsski sstki sstki tsski stski istsk sitsk itssk tissk stisk tsisk isstk sistk isstk sistk ssitk ssitk itssk tissk istsk sitsk tsisk stisk stsik tssik sstik sstik tssik stsik
Note: these 'words' (valid or invalid) are all the permutations of the word kists. These words are obtained by scrambling the letters in kists.