lases alses lsaes slaes asles sales laess aless leass elass aelss ealss lseas sleas lesas elsas selas eslas asels saels aesls easls seals esals lasse alsse lsase slase aslse salse lasse alsse lsase slase aslse salse lssae slsae lssae slsae sslae sslae assle sasle assle sasle ssale ssale laess aless leass elass aelss ealss lases alses lsaes slaes asles sales lesas elsas lseas sleas eslas selas aesls easls asels saels esals seals lsesa slesa lessa elssa selsa eslsa lssea slsea lssea slsea sslea sslea lessa elssa lsesa slesa eslsa selsa sesla essla ssela ssela essla sesla asesl saesl aessl eassl seasl esasl assel sasel assel sasel ssael ssael aessl eassl asesl saesl esasl seasl sesal essal sseal sseal essal sesal
Note: these 'words' (valid or invalid) are all the permutations of the word lases. These words are obtained by scrambling the letters in lases.