ketas ektas kteas tkeas etkas tekas keats ekats kaets akets eakts aekts ktaes tkaes kates aktes takes atkes etaks teaks eatks aetks taeks ateks ketsa ektsa ktesa tkesa etksa teksa kesta eksta kseta sketa eskta sekta ktsea tksea kstea sktea tskea stkea etska teska estka setka tseka steka keast ekast kaest akest eakst aekst kesat eksat kseat skeat eskat sekat kaset akset ksaet skaet asket saket easkt aeskt esakt seakt asekt saekt ktase tkase katse aktse takse atkse ktsae tksae kstae sktae tskae stkae kaste akste ksate skate askte sakte taske atske tsake stake astke satke etask teask eatsk aetsk taesk atesk etsak tesak estak setak tseak steak eastk aestk esatk seatk asetk saetk tasek atsek tsaek staek astek satek
Note: these 'words' (valid or invalid) are all the permutations of the word ketas. These words are obtained by scrambling the letters in ketas.