gaddi agddi gdadi dgadi adgdi dagdi gaddi agddi gdadi dgadi adgdi dagdi gddai dgdai gddai dgdai ddgai ddgai addgi dadgi addgi dadgi ddagi ddagi gadid agdid gdaid dgaid adgid dagid gaidd agidd giadd igadd aigdd iagdd gdiad dgiad gidad igdad digad idgad adigd daigd aidgd iadgd diagd idagd gadid agdid gdaid dgaid adgid dagid gaidd agidd giadd igadd aigdd iagdd gdiad dgiad gidad igdad digad idgad adigd daigd aidgd iadgd diagd idagd gddia dgdia gddia dgdia ddgia ddgia gdida dgida gidda igdda digda idgda gdida dgida gidda igdda digda idgda ddiga ddiga didga iddga didga iddga addig dadig addig dadig ddaig ddaig adidg daidg aiddg iaddg diadg idadg adidg daidg aiddg iaddg diadg idadg ddiag ddiag didag iddag didag iddag
Note: these 'words' (valid or invalid) are all the permutations of the word gaddi. These words are obtained by scrambling the letters in gaddi.