becpo ebcpo bcepo cbepo ecbpo cebpo bepco ebpco bpeco pbeco epbco pebco bcpeo cbpeo bpceo pbceo cpbeo pcbeo ecpbo cepbo epcbo pecbo cpebo pcebo becop ebcop bceop cbeop ecbop cebop beocp ebocp boecp obecp eobcp oebcp bcoep cboep bocep obcep cobep ocbep ecobp ceobp eocbp oecbp coebp ocebp bepoc ebpoc bpeoc pbeoc epboc peboc beopc ebopc boepc obepc eobpc oebpc bpoec pboec bopec obpec pobec opbec epobc peobc eopbc oepbc poebc opebc bcpoe cbpoe bpcoe pbcoe cpboe pcboe bcope cbope bocpe obcpe cobpe ocbpe bpoce pboce bopce obpce pobce opbce cpobe pcobe copbe ocpbe pocbe opcbe ecpob cepob epcob pecob cpeob pceob ecopb ceopb eocpb oecpb coepb ocepb epocb peocb eopcb oepcb poecb opecb cpoeb pcoeb copeb ocpeb poceb opceb
Note: these 'words' (valid or invalid) are all the permutations of the word becpo. These words are obtained by scrambling the letters in becpo.