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