sally aslly slaly lsaly alsly lasly sally aslly slaly lsaly alsly lasly sllay lslay sllay lslay llsay llsay allsy lalsy allsy lalsy llasy llasy salyl aslyl slayl lsayl alsyl lasyl sayll asyll syall ysall aysll yasll slyal lsyal sylal yslal lysal ylsal alysl laysl aylsl yalsl lyasl ylasl salyl aslyl slayl lsayl alsyl lasyl sayll asyll syall ysall aysll yasll slyal lsyal sylal yslal lysal ylsal alysl laysl aylsl yalsl lyasl ylasl sllya lslya sllya lslya llsya llsya slyla lsyla sylla yslla lysla ylsla slyla lsyla sylla yslla lysla ylsla llysa llysa lylsa yllsa lylsa yllsa allys lalys allys lalys llays llays alyls layls aylls yalls lyals ylals alyls layls aylls yalls lyals ylals llyas llyas lylas yllas lylas yllas
Note: these 'words' (valid or invalid) are all the permutations of the word sally. These words are obtained by scrambling the letters in sally.