gravy rgavy garvy agrvy ragvy argvy grvay rgvay gvray vgray rvgay vrgay gavry agvry gvary vgary avgry vagry ravgy arvgy rvagy vragy avrgy vargy grayv rgayv garyv agryv ragyv argyv gryav rgyav gyrav ygrav rygav yrgav gayrv agyrv gyarv ygarv aygrv yagrv raygv arygv ryagv yragv ayrgv yargv grvya rgvya gvrya vgrya rvgya vrgya gryva rgyva gyrva ygrva rygva yrgva gvyra vgyra gyvra ygvra vygra yvgra rvyga vryga ryvga yrvga vyrga yvrga gavyr agvyr gvayr vgayr avgyr vagyr gayvr agyvr gyavr ygavr aygvr yagvr gvyar vgyar gyvar ygvar vygar yvgar avygr vaygr ayvgr yavgr vyagr yvagr ravyg arvyg rvayg vrayg avryg varyg rayvg aryvg ryavg yravg ayrvg yarvg rvyag vryag ryvag yrvag vyrag yvrag avyrg vayrg ayvrg yavrg vyarg yvarg
Note: these 'words' (valid or invalid) are all the permutations of the word gravy. These words are obtained by scrambling the letters in gravy.