becks ebcks bceks cbeks ecbks cebks bekcs ebkcs bkecs kbecs ekbcs kebcs bckes cbkes bkces kbces ckbes kcbes eckbs cekbs ekcbs kecbs ckebs kcebs becsk ebcsk bcesk cbesk ecbsk cebsk besck ebsck bseck sbeck esbck sebck bcsek cbsek bscek sbcek csbek scbek ecsbk cesbk escbk secbk csebk scebk beksc ebksc bkesc kbesc ekbsc kebsc beskc ebskc bsekc sbekc esbkc sebkc bksec kbsec bskec sbkec ksbec skbec eksbc kesbc eskbc sekbc ksebc skebc bckse cbkse bkcse kbcse ckbse kcbse bcske cbske bscke sbcke csbke scbke bksce kbsce bskce sbkce ksbce skbce cksbe kcsbe cskbe sckbe kscbe skcbe ecksb ceksb ekcsb kecsb ckesb kcesb ecskb ceskb esckb seckb csekb scekb ekscb kescb eskcb sekcb ksecb skecb ckseb kcseb cskeb sckeb ksceb skceb
Note: these 'words' (valid or invalid) are all the permutations of the word becks. These words are obtained by scrambling the letters in becks.