apoop paoop aopop oapop poaop opaop apoop paoop aopop oapop poaop opaop aoopp oaopp aoopp oaopp ooapp ooapp pooap opoap pooap opoap oopap oopap apopo paopo aoppo oappo poapo opapo appoo papoo appoo papoo ppaoo ppaoo aoppo oappo apopo paopo opapo poapo popao oppao ppoao ppoao oppao popao apopo paopo aoppo oappo poapo opapo appoo papoo appoo papoo ppaoo ppaoo aoppo oappo apopo paopo opapo poapo popao oppao ppoao ppoao oppao popao aoopp oaopp aoopp oaopp ooapp ooapp aopop oapop apoop paoop opaop poaop aopop oapop apoop paoop opaop poaop oopap oopap opoap pooap opoap pooap poopa opopa poopa opopa ooppa ooppa popoa oppoa ppooa ppooa oppoa popoa popoa oppoa ppooa ppooa oppoa popoa ooppa ooppa opopa poopa opopa poopa
Note: these 'words' (valid or invalid) are all the permutations of the word apoop. These words are obtained by scrambling the letters in apoop.