guava ugava gauva aguva uagva augva guvaa ugvaa gvuaa vguaa uvgaa vugaa gavua agvua gvaua vgaua avgua vagua uavga auvga uvaga vuaga avuga vauga guaav ugaav gauav aguav uagav augav guaav ugaav gauav aguav uagav augav gaauv agauv gaauv agauv aaguv aaguv uaagv auagv uaagv auagv aaugv aaugv guvaa ugvaa gvuaa vguaa uvgaa vugaa guava ugava gauva aguva uagva augva gvaua vgaua gavua agvua vagua avgua uvaga vuaga uavga auvga vauga avuga gavau agvau gvaau vgaau avgau vagau gaavu agavu gaavu agavu aagvu aagvu gvaau vgaau gavau agvau vagau avgau avagu vaagu aavgu aavgu vaagu avagu uavag auvag uvaag vuaag avuag vauag uaavg auavg uaavg auavg aauvg aauvg uvaag vuaag uavag auvag vauag avuag avaug vaaug aavug aavug vaaug avaug
Note: these 'words' (valid or invalid) are all the permutations of the word guava. These words are obtained by scrambling the letters in guava.