blash lbash balsh ablsh labsh albsh blsah lbsah bslah sblah lsbah slbah baslh abslh bsalh sbalh asblh sablh lasbh alsbh lsabh slabh aslbh salbh blahs lbahs balhs ablhs labhs albhs blhas lbhas bhlas hblas lhbas hlbas bahls abhls bhals hbals ahbls habls lahbs alhbs lhabs hlabs ahlbs halbs blsha lbsha bslha sblha lsbha slbha blhsa lbhsa bhlsa hblsa lhbsa hlbsa bshla sbhla bhsla hbsla shbla hsbla lshba slhba lhsba hlsba shlba hslba bashl abshl bsahl sbahl asbhl sabhl bahsl abhsl bhasl hbasl ahbsl habsl bshal sbhal bhsal hbsal shbal hsbal ashbl sahbl ahsbl hasbl shabl hsabl lashb alshb lsahb slahb aslhb salhb lahsb alhsb lhasb hlasb ahlsb halsb lshab slhab lhsab hlsab shlab hslab ashlb sahlb ahslb haslb shalb hsalb
Note: these 'words' (valid or invalid) are all the permutations of the word blash. These words are obtained by scrambling the letters in blash.