chaos hcaos cahos achos hacos ahcos choas hcoas cohas ochas hocas ohcas caohs acohs coahs ocahs aochs oachs haocs ahocs hoacs ohacs aohcs oahcs chaso hcaso cahso achso hacso ahcso chsao hcsao cshao schao hscao shcao casho acsho csaho scaho ascho sacho hasco ahsco hsaco shaco ashco sahco chosa hcosa cohsa ochsa hocsa ohcsa chsoa hcsoa cshoa schoa hscoa shcoa cosha ocsha csoha scoha oscha socha hosca ohsca hsoca shoca oshca sohca caosh acosh coash ocash aocsh oacsh casoh acsoh csaoh scaoh ascoh sacoh cosah ocsah csoah scoah oscah socah aosch oasch asoch saoch osach soach haosc ahosc hoasc ohasc aohsc oahsc hasoc ahsoc hsaoc shaoc ashoc sahoc hosac ohsac hsoac shoac oshac sohac aoshc oashc asohc saohc osahc soahc
Note: these 'words' (valid or invalid) are all the permutations of the word chaos. These words are obtained by scrambling the letters in chaos.