thema htema tehma ethma hetma ehtma thmea htmea tmhea mthea hmtea mhtea temha etmha tmeha mteha emtha metha hemta ehmta hmeta mheta emhta mehta theam hteam teham etham hetam ehtam thaem htaem tahem athem hatem ahtem teahm etahm taehm atehm eathm aethm heatm ehatm haetm ahetm eahtm aehtm thmae htmae tmhae mthae hmtae mhtae thame htame tahme athme hatme ahtme tmahe mtahe tamhe atmhe mathe amthe hmate mhate hamte ahmte mahte amhte temah etmah tmeah mteah emtah metah teamh etamh taemh atemh eatmh aetmh tmaeh mtaeh tameh atmeh mateh amteh emath meath eamth aemth maeth ameth hemat ehmat hmeat mheat emhat mehat heamt ehamt haemt ahemt eahmt aehmt hmaet mhaet hamet ahmet mahet amhet emaht meaht eamht aemht maeht ameht
Note: these 'words' (valid or invalid) are all the permutations of the word thema. These words are obtained by scrambling the letters in thema.