gumma ugmma gmuma mguma umgma mugma gumma ugmma gmuma mguma umgma mugma gmmua mgmua gmmua mgmua mmgua mmgua ummga mumga ummga mumga mmuga mmuga gumam ugmam gmuam mguam umgam mugam guamm ugamm gaumm agumm uagmm augmm gmaum mgaum gamum agmum magum amgum umagm muagm uamgm aumgm maugm amugm gumam ugmam gmuam mguam umgam mugam guamm ugamm gaumm agumm uagmm augmm gmaum mgaum gamum agmum magum amgum umagm muagm uamgm aumgm maugm amugm gmmau mgmau gmmau mgmau mmgau mmgau gmamu mgamu gammu agmmu magmu amgmu gmamu mgamu gammu agmmu magmu amgmu mmagu mmagu mamgu ammgu mamgu ammgu ummag mumag ummag mumag mmuag mmuag umamg muamg uammg aummg maumg amumg umamg muamg uammg aummg maumg amumg mmaug mmaug mamug ammug mamug ammug
Note: these 'words' (valid or invalid) are all the permutations of the word gumma. These words are obtained by scrambling the letters in gumma.