uhcmm hucmm uchmm cuhmm hcumm chumm uhmcm humcm umhcm muhcm hmucm mhucm ucmhm cumhm umchm muchm cmuhm mcuhm hcmum chmum hmcum mhcum cmhum mchum uhcmm hucmm uchmm cuhmm hcumm chumm uhmcm humcm umhcm muhcm hmucm mhucm ucmhm cumhm umchm muchm cmuhm mcuhm hcmum chmum hmcum mhcum cmhum mchum uhmmc hummc umhmc muhmc hmumc mhumc uhmmc hummc umhmc muhmc hmumc mhumc ummhc mumhc ummhc mumhc mmuhc mmuhc hmmuc mhmuc hmmuc mhmuc mmhuc mmhuc ucmmh cummh umcmh mucmh cmumh mcumh ucmmh cummh umcmh mucmh cmumh mcumh ummch mumch ummch mumch mmuch mmuch cmmuh mcmuh cmmuh mcmuh mmcuh mmcuh hcmmu chmmu hmcmu mhcmu cmhmu mchmu hcmmu chmmu hmcmu mhcmu cmhmu mchmu hmmcu mhmcu hmmcu mhmcu mmhcu mmhcu cmmhu mcmhu cmmhu mcmhu mmchu mmchu
Note: these 'words' (valid or invalid) are all the permutations of the word uhcmm. These words are obtained by scrambling the letters in uhcmm.