hcoem choem hocem ohcem cohem ochem hceom cheom hecom ehcom cehom echom hoecm ohecm heocm ehocm oehcm eohcm coehm ocehm ceohm ecohm oechm eochm hcome chome hocme ohcme cohme ochme hcmoe chmoe hmcoe mhcoe cmhoe mchoe homce ohmce hmoce mhoce omhce mohce comhe ocmhe cmohe mcohe omche moche hcemo chemo hecmo ehcmo cehmo echmo hcmeo chmeo hmceo mhceo cmheo mcheo hemco ehmco hmeco mheco emhco mehco cemho ecmho cmeho mceho emcho mecho hoemc ohemc heomc ehomc oehmc eohmc homec ohmec hmoec mhoec omhec mohec hemoc ehmoc hmeoc mheoc emhoc mehoc oemhc eomhc omehc moehc emohc meohc coemh ocemh ceomh ecomh oecmh eocmh comeh ocmeh cmoeh mcoeh omceh moceh cemoh ecmoh cmeoh mceoh emcoh mecoh oemch eomch omech moech emoch meoch
Note: these 'words' (valid or invalid) are all the permutations of the word hcoem. These words are obtained by scrambling the letters in hcoem.