ormch romch omrch morch rmoch mroch orcmh rocmh ocrmh cormh rcomh cromh omcrh mocrh ocmrh comrh mcorh cmorh rmcoh mrcoh rcmoh crmoh mcroh cmroh ormhc romhc omrhc morhc rmohc mrohc orhmc rohmc ohrmc hormc rhomc hromc omhrc mohrc ohmrc homrc mhorc hmorc rmhoc mrhoc rhmoc hrmoc mhroc hmroc orchm rochm ocrhm corhm rcohm crohm orhcm rohcm ohrcm horcm rhocm hrocm ochrm cohrm ohcrm hocrm chorm hcorm rchom crhom rhcom hrcom chrom hcrom omchr mochr ocmhr comhr mcohr cmohr omhcr mohcr ohmcr homcr mhocr hmocr ochmr cohmr ohcmr hocmr chomr hcomr mchor cmhor mhcor hmcor chmor hcmor rmcho mrcho rcmho crmho mcrho cmrho rmhco mrhco rhmco hrmco mhrco hmrco rchmo crhmo rhcmo hrcmo chrmo hcrmo mchro cmhro mhcro hmcro chmro hcmro
Note: these 'words' (valid or invalid) are all the permutations of the word ormch. These words are obtained by scrambling the letters in ormch.