weeks eweks weeks eweks eewks eewks wekes ewkes wkees kwees ekwes kewes wekes ewkes wkees kwees ekwes kewes eekws eekws ekews keews ekews keews weesk ewesk weesk ewesk eewsk eewsk wesek ewsek wseek sweek eswek sewek wesek ewsek wseek sweek eswek sewek eeswk eeswk esewk seewk esewk seewk wekse ewkse wkese kwese ekwse kewse weske ewske wseke sweke eswke sewke wksee kwsee wskee swkee kswee skwee ekswe keswe eskwe sekwe ksewe skewe wekse ewkse wkese kwese ekwse kewse weske ewske wseke sweke eswke sewke wksee kwsee wskee swkee kswee skwee ekswe keswe eskwe sekwe ksewe skewe eeksw eeksw ekesw keesw ekesw keesw eeskw eeskw esekw seekw esekw seekw eksew kesew eskew sekew kseew skeew eksew kesew eskew sekew kseew skeew
Note: these 'words' (valid or invalid) are all the permutations of the word weeks. These words are obtained by scrambling the letters in weeks.