besaw ebsaw bseaw sbeaw esbaw sebaw beasw ebasw baesw abesw eabsw aebsw bsaew sbaew basew absew sabew asbew esabw seabw easbw aesbw saebw asebw beswa ebswa bsewa sbewa esbwa sebwa bewsa ebwsa bwesa wbesa ewbsa websa bswea sbwea bwsea wbsea swbea wsbea eswba sewba ewsba wesba sweba wseba beaws ebaws baews abews eabws aebws bewas ebwas bweas wbeas ewbas webas bawes abwes bwaes wbaes awbes wabes eawbs aewbs ewabs weabs awebs waebs bsawe sbawe baswe abswe sabwe asbwe bswae sbwae bwsae wbsae swbae wsbae bawse abwse bwase wbase awbse wabse sawbe aswbe swabe wsabe awsbe wasbe esawb seawb easwb aeswb saewb asewb eswab sewab ewsab wesab sweab wseab eawsb aewsb ewasb weasb awesb waesb saweb asweb swaeb wsaeb awseb waseb
Note: these 'words' (valid or invalid) are all the permutations of the word besaw. These words are obtained by scrambling the letters in besaw.