archy rachy acrhy carhy rcahy crahy arhcy rahcy ahrcy harcy rhacy hracy achry cahry ahcry hacry chary hcary rchay crhay rhcay hrcay chray hcray arcyh racyh acryh caryh rcayh crayh arych raych ayrch yarch ryach yrach acyrh cayrh aycrh yacrh cyarh ycarh rcyah cryah rycah yrcah cyrah ycrah arhyc rahyc ahryc haryc rhayc hrayc aryhc rayhc ayrhc yarhc ryahc yrahc ahyrc hayrc ayhrc yahrc hyarc yharc rhyac hryac ryhac yrhac hyrac yhrac achyr cahyr ahcyr hacyr chayr hcayr acyhr cayhr aychr yachr cyahr ycahr ahycr haycr ayhcr yahcr hyacr yhacr chyar hcyar cyhar ychar hycar yhcar rchya crhya rhcya hrcya chrya hcrya rcyha cryha rycha yrcha cyrha ycrha rhyca hryca ryhca yrhca hyrca yhrca chyra hcyra cyhra ychra hycra yhcra
Note: these 'words' (valid or invalid) are all the permutations of the word archy. These words are obtained by scrambling the letters in archy.