abmho bamho ambho mabho bmaho mbaho abhmo bahmo ahbmo habmo bhamo hbamo amhbo mahbo ahmbo hambo mhabo hmabo bmhao mbhao bhmao hbmao mhbao hmbao abmoh bamoh amboh maboh bmaoh mbaoh abomh baomh aobmh oabmh boamh obamh amobh maobh aombh oambh moabh omabh bmoah mboah bomah obmah mobah ombah abhom bahom ahbom habom bhaom hbaom abohm baohm aobhm oabhm boahm obahm ahobm haobm aohbm oahbm hoabm ohabm bhoam hboam boham obham hobam ohbam amhob mahob ahmob hamob mhaob hmaob amohb maohb aomhb oamhb moahb omahb ahomb haomb aohmb oahmb hoamb ohamb mhoab hmoab mohab omhab homab ohmab bmhoa mbhoa bhmoa hbmoa mhboa hmboa bmoha mboha bomha obmha mobha ombha bhoma hboma bohma obhma hobma ohbma mhoba hmoba mohba omhba homba ohmba
Note: these 'words' (valid or invalid) are all the permutations of the word abmho. These words are obtained by scrambling the letters in abmho.