hillo ihllo hlilo lhilo ilhlo lihlo hillo ihllo hlilo lhilo ilhlo lihlo hllio lhlio hllio lhlio llhio llhio illho lilho illho lilho lliho lliho hilol ihlol hliol lhiol ilhol lihol hioll iholl hoill ohill iohll oihll hloil lhoil holil ohlil lohil olhil ilohl liohl iolhl oilhl loihl olihl hilol ihlol hliol lhiol ilhol lihol hioll iholl hoill ohill iohll oihll hloil lhoil holil ohlil lohil olhil ilohl liohl iolhl oilhl loihl olihl hlloi lhloi hlloi lhloi llhoi llhoi hloli lholi holli ohlli lohli olhli hloli lholi holli ohlli lohli olhli llohi llohi lolhi ollhi lolhi ollhi illoh liloh illoh liloh llioh llioh ilolh liolh iollh oillh loilh olilh ilolh liolh iollh oillh loilh olilh lloih lloih lolih ollih lolih ollih
Note: these 'words' (valid or invalid) are all the permutations of the word hillo. These words are obtained by scrambling the letters in hillo.