lacer alcer lcaer claer acler caler laecr alecr leacr elacr aelcr ealcr lcear clear lecar elcar celar eclar acelr caelr aeclr eaclr cealr ecalr lacre alcre lcare clare aclre calre larce alrce lrace rlace arlce ralce lcrae clrae lrcae rlcae crlae rclae acrle carle arcle racle crale rcale laerc alerc learc elarc aelrc ealrc larec alrec lraec rlaec arlec ralec lerac elrac lreac rleac erlac relac aerlc earlc arelc raelc eralc realc lcera clera lecra elcra celra eclra lcrea clrea lrcea rlcea crlea rclea lerca elrca lreca rleca erlca relca cerla ecrla crela rcela ercla recla acerl caerl aecrl eacrl cearl ecarl acrel carel arcel racel crael rcael aercl earcl arecl raecl eracl reacl ceral ecral creal rceal ercal recal
Note: these 'words' (valid or invalid) are all the permutations of the word lacer. These words are obtained by scrambling the letters in lacer.