aleft laeft aelft ealft leaft elaft alfet lafet aflet falet lfaet flaet aeflt eaflt afelt faelt efalt fealt lefat elfat lfeat fleat eflat felat aletf laetf aeltf ealtf leatf elatf altef latef atlef talef ltaef tlaef aetlf eatlf atelf taelf etalf tealf letaf eltaf lteaf tleaf etlaf telaf alfte lafte aflte falte lfate flate altfe latfe atlfe talfe ltafe tlafe aftle fatle atfle tafle ftale tfale lftae fltae ltfae tlfae ftlae tflae aeftl eaftl afetl faetl efatl featl aetfl eatfl atefl taefl etafl teafl aftel fatel atfel tafel ftael tfael eftal fetal etfal tefal fteal tfeal lefta elfta lfeta fleta eflta felta letfa eltfa ltefa tlefa etlfa telfa lftea fltea ltfea tlfea ftlea tflea eftla fetla etfla tefla ftela tfela
Note: these 'words' (valid or invalid) are all the permutations of the word aleft. These words are obtained by scrambling the letters in aleft.