mouch omuch muoch umoch oumch uomch mocuh omcuh mcouh cmouh ocmuh comuh mucoh umcoh mcuoh cmuoh ucmoh cumoh oucmh uocmh ocumh coumh ucomh cuomh mouhc omuhc muohc umohc oumhc uomhc mohuc omhuc mhouc hmouc ohmuc homuc muhoc umhoc mhuoc hmuoc uhmoc humoc ouhmc uohmc ohumc houmc uhomc huomc mochu omchu mcohu cmohu ocmhu comhu mohcu omhcu mhocu hmocu ohmcu homcu mchou cmhou mhcou hmcou chmou hcmou ochmu cohmu ohcmu hocmu chomu hcomu mucho umcho mcuho cmuho ucmho cumho muhco umhco mhuco hmuco uhmco humco mchuo cmhuo mhcuo hmcuo chmuo hcmuo uchmo cuhmo uhcmo hucmo chumo hcumo ouchm uochm ocuhm couhm ucohm cuohm ouhcm uohcm ohucm houcm uhocm huocm ochum cohum ohcum hocum choum hcoum uchom cuhom uhcom hucom chuom hcuom
Note: these 'words' (valid or invalid) are all the permutations of the word mouch. These words are obtained by scrambling the letters in mouch.