chara hcara cahra achra hacra ahcra chraa hcraa crhaa rchaa hrcaa rhcaa carha acrha craha rcaha archa racha harca ahrca hraca rhaca arhca rahca chaar hcaar cahar achar hacar ahcar chaar hcaar cahar achar hacar ahcar caahr acahr caahr acahr aachr aachr haacr ahacr haacr ahacr aahcr aahcr chraa hcraa crhaa rchaa hrcaa rhcaa chara hcara cahra achra hacra ahcra craha rcaha carha acrha racha archa hraca rhaca harca ahrca rahca arhca carah acrah craah rcaah arcah racah caarh acarh caarh acarh aacrh aacrh craah rcaah carah acrah racah arcah arach raach aarch aarch raach arach harac ahrac hraac rhaac arhac rahac haarc aharc haarc aharc aahrc aahrc hraac rhaac harac ahrac rahac arhac arahc raahc aarhc aarhc raahc arahc
Note: these 'words' (valid or invalid) are all the permutations of the word chara. These words are obtained by scrambling the letters in chara.