khats hkats kahts akhts hakts ahkts khtas hktas kthas tkhas htkas thkas kaths akths ktahs tkahs atkhs takhs hatks ahtks htaks thaks athks tahks khast hkast kahst akhst hakst ahkst khsat hksat kshat skhat hskat shkat kasht aksht ksaht skaht askht sakht haskt ahskt hsakt shakt ashkt sahkt khtsa hktsa kthsa tkhsa htksa thksa khsta hksta kshta skhta hskta shkta ktsha tksha kstha sktha tskha stkha htska thska hstka shtka tshka sthka katsh aktsh ktash tkash atksh taksh kasth aksth ksath skath askth sakth ktsah tksah kstah sktah tskah stkah atskh taskh astkh satkh tsakh stakh hatsk ahtsk htask thask athsk tahsk hastk ahstk hsatk shatk ashtk sahtk htsak thsak hstak shtak tshak sthak atshk tashk asthk sathk tsahk stahk
Note: these 'words' (valid or invalid) are all the permutations of the word khats. These words are obtained by scrambling the letters in khats.