gaucy agucy guacy ugacy augcy uagcy gacuy agcuy gcauy cgauy acguy caguy gucay ugcay gcuay cguay ucgay cugay aucgy uacgy acugy caugy ucagy cuagy gauyc aguyc guayc ugayc augyc uagyc gayuc agyuc gyauc ygauc ayguc yaguc guyac ugyac gyuac yguac uygac yugac auygc uaygc ayugc yaugc uyagc yuagc gacyu agcyu gcayu cgayu acgyu cagyu gaycu agycu gyacu ygacu aygcu yagcu gcyau cgyau gycau ygcau cygau ycgau acygu caygu aycgu yacgu cyagu ycagu gucya ugcya gcuya cguya ucgya cugya guyca ugyca gyuca yguca uygca yugca gcyua cgyua gycua ygcua cygua ycgua ucyga cuyga uycga yucga cyuga ycuga aucyg uacyg acuyg cauyg ucayg cuayg auycg uaycg ayucg yaucg uyacg yuacg acyug cayug aycug yacug cyaug ycaug ucyag cuyag uycag yucag cyuag ycuag
Note: these 'words' (valid or invalid) are all the permutations of the word gaucy. These words are obtained by scrambling the letters in gaucy.