child hcild cihld ichld hicld ihcld chlid hclid clhid lchid hlcid lhcid cilhd iclhd clihd lcihd ilchd lichd hilcd ihlcd hlicd lhicd ilhcd lihcd chidl hcidl cihdl ichdl hicdl ihcdl chdil hcdil cdhil dchil hdcil dhcil cidhl icdhl cdihl dcihl idchl dichl hidcl ihdcl hdicl dhicl idhcl dihcl chldi hcldi clhdi lchdi hlcdi lhcdi chdli hcdli cdhli dchli hdcli dhcli cldhi lcdhi cdlhi dclhi ldchi dlchi hldci lhdci hdlci dhlci ldhci dlhci cildh icldh clidh lcidh ilcdh licdh cidlh icdlh cdilh dcilh idclh diclh cldih lcdih cdlih dclih ldcih dlcih ildch lidch idlch dilch ldich dlich hildc ihldc hlidc lhidc ilhdc lihdc hidlc ihdlc hdilc dhilc idhlc dihlc hldic lhdic hdlic dhlic ldhic dlhic ildhc lidhc idlhc dilhc ldihc dlihc
Note: these 'words' (valid or invalid) are all the permutations of the word child. These words are obtained by scrambling the letters in child.