mamhd ammhd mmahd mmahd ammhd mamhd mahmd amhmd mhamd hmamd ahmmd hammd mmhad mmhad mhmad hmmad mhmad hmmad amhmd mahmd ahmmd hammd mhamd hmamd mamdh ammdh mmadh mmadh ammdh mamdh madmh amdmh mdamh dmamh admmh dammh mmdah mmdah mdmah dmmah mdmah dmmah amdmh madmh admmh dammh mdamh dmamh mahdm amhdm mhadm hmadm ahmdm hamdm madhm amdhm mdahm dmahm admhm damhm mhdam hmdam mdham dmham hdmam dhmam ahdmm hadmm adhmm dahmm hdamm dhamm mmhda mmhda mhmda hmmda mhmda hmmda mmdha mmdha mdmha dmmha mdmha dmmha mhdma hmdma mdhma dmhma hdmma dhmma mhdma hmdma mdhma dmhma hdmma dhmma amhdm mahdm ahmdm hamdm mhadm hmadm amdhm madhm admhm damhm mdahm dmahm ahdmm hadmm adhmm dahmm hdamm dhamm mhdam hmdam mdham dmham hdmam dhmam
Note: these 'words' (valid or invalid) are all the permutations of the word mamhd. These words are obtained by scrambling the letters in mamhd.