bcche cbche bcche cbche ccbhe ccbhe bchce cbhce bhcce hbcce chbce hcbce bchce cbhce bhcce hbcce chbce hcbce cchbe cchbe chcbe hccbe chcbe hccbe bcceh cbceh bcceh cbceh ccbeh ccbeh bcech cbech becch ebcch cebch ecbch bcech cbech becch ebcch cebch ecbch ccebh ccebh cecbh eccbh cecbh eccbh bchec cbhec bhcec hbcec chbec hcbec bcehc cbehc bechc ebchc cebhc ecbhc bhecc hbecc behcc ebhcc hebcc ehbcc chebc hcebc cehbc echbc hecbc ehcbc bchec cbhec bhcec hbcec chbec hcbec bcehc cbehc bechc ebchc cebhc ecbhc bhecc hbecc behcc ebhcc hebcc ehbcc chebc hcebc cehbc echbc hecbc ehcbc ccheb ccheb chceb hcceb chceb hcceb ccehb ccehb cechb ecchb cechb ecchb checb hcecb cehcb echcb heccb ehccb checb hcecb cehcb echcb heccb ehccb
Note: these 'words' (valid or invalid) are all the permutations of the word bcche. These words are obtained by scrambling the letters in bcche.