sewet eswet sweet wseet ewset weset seewt esewt seewt esewt eeswt eeswt sweet wseet sewet eswet weset ewset ewest weest eewst eewst weest ewest sewte eswte swete wsete ewste weste setwe estwe stewe tsewe etswe teswe swtee wstee stwee tswee wtsee twsee ewtse wetse etwse tewse wtese twese seetw esetw seetw esetw eestw eestw setew estew steew tseew etsew tesew setew estew steew tseew etsew tesew eetsw eetsw etesw teesw etesw teesw swete wsete sewte eswte weste ewste swtee wstee stwee tswee wtsee twsee setwe estwe stewe tsewe etswe teswe wetse ewtse wtese twese etwse tewse ewets weets eewts eewts weets ewets ewtes wetes etwes tewes wtees twees eetws eetws etews teews etews teews wetes ewtes wtees twees etwes tewes
Note: these 'words' (valid or invalid) are all the permutations of the word sewet. These words are obtained by scrambling the letters in sewet.