mutch umtch mtuch tmuch utmch tumch mucth umcth mcuth cmuth ucmth cumth mtcuh tmcuh mctuh cmtuh tcmuh ctmuh utcmh tucmh uctmh cutmh tcumh ctumh muthc umthc mtuhc tmuhc utmhc tumhc muhtc umhtc mhutc hmutc uhmtc humtc mthuc tmhuc mhtuc hmtuc thmuc htmuc uthmc tuhmc uhtmc hutmc thumc htumc mucht umcht mcuht cmuht ucmht cumht muhct umhct mhuct hmuct uhmct humct mchut cmhut mhcut hmcut chmut hcmut uchmt cuhmt uhcmt hucmt chumt hcumt mtchu tmchu mcthu cmthu tcmhu ctmhu mthcu tmhcu mhtcu hmtcu thmcu htmcu mchtu cmhtu mhctu hmctu chmtu hcmtu tchmu cthmu thcmu htcmu chtmu hctmu utchm tuchm ucthm cuthm tcuhm ctuhm uthcm tuhcm uhtcm hutcm thucm htucm uchtm cuhtm uhctm huctm chutm hcutm tchum cthum thcum htcum chtum hctum
Note: these 'words' (valid or invalid) are all the permutations of the word mutch. These words are obtained by scrambling the letters in mutch.