etens teens eetns eetns teens etens etnes tenes entes netes tnees ntees eents eents enets neets enets neets tenes etnes tnees ntees entes netes etesn teesn eetsn eetsn teesn etesn etsen tesen esten seten tseen steen eestn eestn esetn seetn esetn seetn tesen etsen tseen steen esten seten etnse tense entse netse tnese ntese etsne tesne estne setne tsene stene enste neste esnte sente nsete snete tnsee ntsee tsnee stnee nstee sntee eenst eenst enest neest enest neest eesnt eesnt esent seent esent seent enset neset esnet senet nseet sneet enset neset esnet senet nseet sneet tense etnse tnese ntese entse netse tesne etsne tsene stene estne setne tnsee ntsee tsnee stnee nstee sntee enste neste esnte sente nsete snete
Note: these 'words' (valid or invalid) are all the permutations of the word etens. These words are obtained by scrambling the letters in etens.