chair hcair cahir achir hacir ahcir chiar hciar cihar ichar hicar ihcar caihr acihr ciahr icahr aichr iachr haicr ahicr hiacr ihacr aihcr iahcr chari hcari cahri achri hacri ahcri chrai hcrai crhai rchai hrcai rhcai carhi acrhi crahi rcahi archi rachi harci ahrci hraci rhaci arhci rahci chira hcira cihra ichra hicra ihcra chria hcria crhia rchia hrcia rhcia cirha icrha criha rciha ircha richa hirca ihrca hrica rhica irhca rihca cairh acirh ciarh icarh aicrh iacrh carih acrih craih rcaih arcih racih cirah icrah criah rciah ircah ricah airch iarch arich raich irach riach hairc ahirc hiarc iharc aihrc iahrc haric ahric hraic rhaic arhic rahic hirac ihrac hriac rhiac irhac rihac airhc iarhc arihc raihc irahc riahc
Note: these 'words' (valid or invalid) are all the permutations of the word chair. These words are obtained by scrambling the letters in chair.